257589075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4817}}^1$

素因数の和:4884

約数の個数: 48

約数和(自身を含む): 458827776

約数和(自身を除く): 201238701

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 465, 575, 713, 775, 1725, 2139, 2325, 3565, 4817, 10695, 14451, 17825, 24085, 53475, 72255, 110791, 120425, 149327, 332373, 361275, 447981, 553955, 746635, 1661865, 2239905, 2769775, 3434521, 3733175, 8309325, 10303563, 11199525, 17172605, 51517815, 85863025, 257589075]

約数ペア:

[(1, 257589075), (3, 85863025), (5, 51517815), (15, 17172605), (23, 11199525), (25, 10303563), (31, 8309325), (69, 3733175), (75, 3434521), (93, 2769775), (115, 2239905), (155, 1661865), (345, 746635), (465, 553955), (575, 447981), (713, 361275), (775, 332373), (1725, 149327), (2139, 120425), (2325, 110791), (3565, 72255), (4817, 53475), (10695, 24085), (14451, 17825)]