27980316

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 91760592

約数和(自身を除く): 63780276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 73, 78, 81, 84, 91, 108, 117, 126, 146, 156, 162, 169, 182, 189, 219, 234, 252, 273, 292, 324, 338, 351, 364, 378, 438, 468, 507, 511, 546, 567, 657, 676, 702, 756, 819, 876, 949, 1014, 1022, 1053, 1092, 1134, 1183, 1314, 1404, 1521, 1533, 1638, 1898, 1971, 2028, 2044, 2106, 2268, 2366, 2457, 2628, 2847, 3042, 3066, 3276, 3549, 3796, 3942, 4212, 4563, 4599, 4732, 4914, 5694, 5913, 6084, 6132, 6643, 7098, 7371, 7884, 8541, 9126, 9198, 9828, 10647, 11388, 11826, 12337, 13286, 13689, 13797, 14196, 14742, 17082, 18252, 18396, 19929, 21294, 23652, 24674, 25623, 26572, 27378, 27594, 29484, 31941, 34164, 37011, 39858, 41391, 42588, 49348, 51246, 54756, 55188, 59787, 63882, 74022, 76869, 79716, 82782, 86359, 95823, 102492, 111033, 119574, 127764, 148044, 153738, 165564, 172718, 179361, 191646, 222066, 239148, 259077, 307476, 333099, 345436, 358722, 383292, 444132, 518154, 538083, 666198, 717444, 777231, 999297, 1036308, 1076166, 1332396, 1554462, 1998594, 2152332, 2331693, 3108924, 3997188, 4663386, 6995079, 9326772, 13990158, 27980316]

約数ペア:

[(1, 27980316), (2, 13990158), (3, 9326772), (4, 6995079), (6, 4663386), (7, 3997188), (9, 3108924), (12, 2331693), (13, 2152332), (14, 1998594), (18, 1554462), (21, 1332396), (26, 1076166), (27, 1036308), (28, 999297), (36, 777231), (39, 717444), (42, 666198), (52, 538083), (54, 518154), (63, 444132), (73, 383292), (78, 358722), (81, 345436), (84, 333099), (91, 307476), (108, 259077), (117, 239148), (126, 222066), (146, 191646), (156, 179361), (162, 172718), (169, 165564), (182, 153738), (189, 148044), (219, 127764), (234, 119574), (252, 111033), (273, 102492), (292, 95823), (324, 86359), (338, 82782), (351, 79716), (364, 76869), (378, 74022), (438, 63882), (468, 59787), (507, 55188), (511, 54756), (546, 51246), (567, 49348), (657, 42588), (676, 41391), (702, 39858), (756, 37011), (819, 34164), (876, 31941), (949, 29484), (1014, 27594), (1022, 27378), (1053, 26572), (1092, 25623), (1134, 24674), (1183, 23652), (1314, 21294), (1404, 19929), (1521, 18396), (1533, 18252), (1638, 17082), (1898, 14742), (1971, 14196), (2028, 13797), (2044, 13689), (2106, 13286), (2268, 12337), (2366, 11826), (2457, 11388), (2628, 10647), (2847, 9828), (3042, 9198), (3066, 9126), (3276, 8541), (3549, 7884), (3796, 7371), (3942, 7098), (4212, 6643), (4563, 6132), (4599, 6084), (4732, 5913), (4914, 5694)]