73890825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 128420352

約数和(自身を除く): 54529527

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 465, 521, 775, 915, 1525, 1563, 1891, 2325, 2605, 4575, 5673, 7815, 9455, 13025, 16151, 28365, 31781, 39075, 47275, 48453, 80755, 95343, 141825, 158905, 242265, 403775, 476715, 794525, 985211, 1211325, 2383575, 2955633, 4926055, 14778165, 24630275, 73890825]

約数ペア:

[(1, 73890825), (3, 24630275), (5, 14778165), (15, 4926055), (25, 2955633), (31, 2383575), (61, 1211325), (75, 985211), (93, 794525), (155, 476715), (183, 403775), (305, 242265), (465, 158905), (521, 141825), (775, 95343), (915, 80755), (1525, 48453), (1563, 47275), (1891, 39075), (2325, 31781), (2605, 28365), (4575, 16151), (5673, 13025), (7815, 9455)]