31721976

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 105408000

約数和(自身を除く): 73686024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 79, 88, 99, 104, 108, 117, 132, 143, 156, 158, 169, 198, 216, 234, 237, 264, 286, 297, 312, 316, 338, 351, 396, 429, 468, 474, 507, 572, 594, 632, 676, 702, 711, 792, 858, 869, 936, 948, 1014, 1027, 1144, 1188, 1287, 1352, 1404, 1422, 1521, 1716, 1738, 1859, 1896, 2028, 2054, 2133, 2376, 2574, 2607, 2808, 2844, 3042, 3081, 3432, 3476, 3718, 3861, 4056, 4108, 4266, 4563, 5148, 5214, 5577, 5688, 6084, 6162, 6952, 7436, 7722, 7821, 8216, 8532, 9126, 9243, 10296, 10428, 11154, 11297, 12168, 12324, 13351, 14872, 15444, 15642, 16731, 17064, 18252, 18486, 20856, 22308, 22594, 23463, 24648, 26702, 27729, 30888, 31284, 33462, 33891, 36504, 36972, 40053, 44616, 45188, 46926, 50193, 53404, 55458, 62568, 66924, 67782, 73944, 80106, 90376, 93852, 100386, 101673, 106808, 110916, 120159, 133848, 135564, 146861, 160212, 187704, 200772, 203346, 221832, 240318, 271128, 293722, 305019, 320424, 360477, 401544, 406692, 440583, 480636, 587444, 610038, 720954, 813384, 881166, 961272, 1174888, 1220076, 1321749, 1441908, 1762332, 2440152, 2643498, 2883816, 3524664, 3965247, 5286996, 7930494, 10573992, 15860988, 31721976]

約数ペア:

[(1, 31721976), (2, 15860988), (3, 10573992), (4, 7930494), (6, 5286996), (8, 3965247), (9, 3524664), (11, 2883816), (12, 2643498), (13, 2440152), (18, 1762332), (22, 1441908), (24, 1321749), (26, 1220076), (27, 1174888), (33, 961272), (36, 881166), (39, 813384), (44, 720954), (52, 610038), (54, 587444), (66, 480636), (72, 440583), (78, 406692), (79, 401544), (88, 360477), (99, 320424), (104, 305019), (108, 293722), (117, 271128), (132, 240318), (143, 221832), (156, 203346), (158, 200772), (169, 187704), (198, 160212), (216, 146861), (234, 135564), (237, 133848), (264, 120159), (286, 110916), (297, 106808), (312, 101673), (316, 100386), (338, 93852), (351, 90376), (396, 80106), (429, 73944), (468, 67782), (474, 66924), (507, 62568), (572, 55458), (594, 53404), (632, 50193), (676, 46926), (702, 45188), (711, 44616), (792, 40053), (858, 36972), (869, 36504), (936, 33891), (948, 33462), (1014, 31284), (1027, 30888), (1144, 27729), (1188, 26702), (1287, 24648), (1352, 23463), (1404, 22594), (1422, 22308), (1521, 20856), (1716, 18486), (1738, 18252), (1859, 17064), (1896, 16731), (2028, 15642), (2054, 15444), (2133, 14872), (2376, 13351), (2574, 12324), (2607, 12168), (2808, 11297), (2844, 11154), (3042, 10428), (3081, 10296), (3432, 9243), (3476, 9126), (3718, 8532), (3861, 8216), (4056, 7821), (4108, 7722), (4266, 7436), (4563, 6952), (5148, 6162), (5214, 6084), (5577, 5688)]