81573804

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 233080848

約数和(自身を除く): 151507044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 107, 108, 117, 156, 162, 181, 214, 234, 321, 324, 351, 362, 428, 468, 543, 642, 702, 724, 963, 1053, 1086, 1284, 1391, 1404, 1629, 1926, 2106, 2172, 2353, 2782, 2889, 3258, 3852, 4173, 4212, 4706, 4887, 5564, 5778, 6516, 7059, 8346, 8667, 9412, 9774, 11556, 12519, 14118, 14661, 16692, 17334, 19367, 19548, 21177, 25038, 28236, 29322, 34668, 37557, 38734, 42354, 50076, 58101, 58644, 63531, 75114, 77468, 84708, 112671, 116202, 127062, 150228, 174303, 190593, 225342, 232404, 251771, 254124, 348606, 381186, 450684, 503542, 522909, 697212, 755313, 762372, 1007084, 1045818, 1510626, 1568727, 2091636, 2265939, 3021252, 3137454, 4531878, 6274908, 6797817, 9063756, 13595634, 20393451, 27191268, 40786902, 81573804]

約数ペア:

[(1, 81573804), (2, 40786902), (3, 27191268), (4, 20393451), (6, 13595634), (9, 9063756), (12, 6797817), (13, 6274908), (18, 4531878), (26, 3137454), (27, 3021252), (36, 2265939), (39, 2091636), (52, 1568727), (54, 1510626), (78, 1045818), (81, 1007084), (107, 762372), (108, 755313), (117, 697212), (156, 522909), (162, 503542), (181, 450684), (214, 381186), (234, 348606), (321, 254124), (324, 251771), (351, 232404), (362, 225342), (428, 190593), (468, 174303), (543, 150228), (642, 127062), (702, 116202), (724, 112671), (963, 84708), (1053, 77468), (1086, 75114), (1284, 63531), (1391, 58644), (1404, 58101), (1629, 50076), (1926, 42354), (2106, 38734), (2172, 37557), (2353, 34668), (2782, 29322), (2889, 28236), (3258, 25038), (3852, 21177), (4173, 19548), (4212, 19367), (4706, 17334), (4887, 16692), (5564, 14661), (5778, 14118), (6516, 12519), (7059, 11556), (8346, 9774), (8667, 9412)]