51455025

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 98344896

約数和(自身を除く): 46889871

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 61, 69, 75, 115, 163, 183, 207, 225, 305, 345, 489, 549, 575, 815, 915, 1035, 1403, 1467, 1525, 1725, 2445, 2745, 3749, 4075, 4209, 4575, 5175, 7015, 7335, 9943, 11247, 12225, 12627, 13725, 18745, 21045, 29829, 33741, 35075, 36675, 49715, 56235, 63135, 89487, 93725, 105225, 149145, 168705, 228689, 248575, 281175, 315675, 447435, 686067, 745725, 843525, 1143445, 2058201, 2237175, 3430335, 5717225, 10291005, 17151675, 51455025]

約数ペア:

[(1, 51455025), (3, 17151675), (5, 10291005), (9, 5717225), (15, 3430335), (23, 2237175), (25, 2058201), (45, 1143445), (61, 843525), (69, 745725), (75, 686067), (115, 447435), (163, 315675), (183, 281175), (207, 248575), (225, 228689), (305, 168705), (345, 149145), (489, 105225), (549, 93725), (575, 89487), (815, 63135), (915, 56235), (1035, 49715), (1403, 36675), (1467, 35075), (1525, 33741), (1725, 29829), (2445, 21045), (2745, 18745), (3749, 13725), (4075, 12627), (4209, 12225), (4575, 11247), (5175, 9943), (7015, 7335)]