31521204

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 97151040

約数和(自身を除く): 65629836

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 157, 169, 198, 234, 286, 297, 314, 338, 351, 396, 429, 468, 471, 507, 572, 594, 628, 676, 702, 858, 942, 1014, 1188, 1287, 1404, 1413, 1521, 1716, 1727, 1859, 1884, 2028, 2041, 2574, 2826, 3042, 3454, 3718, 3861, 4082, 4239, 4563, 5148, 5181, 5577, 5652, 6084, 6123, 6908, 7436, 7722, 8164, 8478, 9126, 10362, 11154, 12246, 15444, 15543, 16731, 16956, 18252, 18369, 20724, 22308, 22451, 24492, 26533, 31086, 33462, 36738, 44902, 46629, 50193, 53066, 55107, 62172, 66924, 67353, 73476, 79599, 89804, 93258, 100386, 106132, 110214, 134706, 159198, 186516, 200772, 202059, 220428, 238797, 269412, 291863, 318396, 404118, 477594, 583726, 606177, 716391, 808236, 875589, 955188, 1167452, 1212354, 1432782, 1751178, 2424708, 2626767, 2865564, 3502356, 5253534, 7880301, 10507068, 15760602, 31521204]

約数ペア:

[(1, 31521204), (2, 15760602), (3, 10507068), (4, 7880301), (6, 5253534), (9, 3502356), (11, 2865564), (12, 2626767), (13, 2424708), (18, 1751178), (22, 1432782), (26, 1212354), (27, 1167452), (33, 955188), (36, 875589), (39, 808236), (44, 716391), (52, 606177), (54, 583726), (66, 477594), (78, 404118), (99, 318396), (108, 291863), (117, 269412), (132, 238797), (143, 220428), (156, 202059), (157, 200772), (169, 186516), (198, 159198), (234, 134706), (286, 110214), (297, 106132), (314, 100386), (338, 93258), (351, 89804), (396, 79599), (429, 73476), (468, 67353), (471, 66924), (507, 62172), (572, 55107), (594, 53066), (628, 50193), (676, 46629), (702, 44902), (858, 36738), (942, 33462), (1014, 31086), (1188, 26533), (1287, 24492), (1404, 22451), (1413, 22308), (1521, 20724), (1716, 18369), (1727, 18252), (1859, 16956), (1884, 16731), (2028, 15543), (2041, 15444), (2574, 12246), (2826, 11154), (3042, 10362), (3454, 9126), (3718, 8478), (3861, 8164), (4082, 7722), (4239, 7436), (4563, 6908), (5148, 6123), (5181, 6084), (5577, 5652)]