16213275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 32768736

約数和(自身を除く): 16555461

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 241, 299, 325, 345, 575, 585, 723, 897, 975, 1035, 1205, 1495, 1725, 2169, 2691, 2925, 3133, 3615, 4485, 5175, 5543, 6025, 7475, 9399, 10845, 13455, 15665, 16629, 18075, 22425, 27715, 28197, 46995, 49887, 54225, 67275, 72059, 78325, 83145, 138575, 140985, 216177, 234975, 249435, 360295, 415725, 648531, 704925, 1080885, 1247175, 1801475, 3242655, 5404425, 16213275]

約数ペア:

[(1, 16213275), (3, 5404425), (5, 3242655), (9, 1801475), (13, 1247175), (15, 1080885), (23, 704925), (25, 648531), (39, 415725), (45, 360295), (65, 249435), (69, 234975), (75, 216177), (115, 140985), (117, 138575), (195, 83145), (207, 78325), (225, 72059), (241, 67275), (299, 54225), (325, 49887), (345, 46995), (575, 28197), (585, 27715), (723, 22425), (897, 18075), (975, 16629), (1035, 15665), (1205, 13455), (1495, 10845), (1725, 9399), (2169, 7475), (2691, 6025), (2925, 5543), (3133, 5175), (3615, 4485)]