64100475

素因数分解:

$3^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 115251552

約数和(自身を除く): 51151077

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 431, 661, 1293, 1983, 2155, 3305, 3879, 5949, 6465, 9915, 10775, 16525, 19395, 29745, 32325, 49575, 96975, 148725, 284891, 854673, 1424455, 2564019, 4273365, 7122275, 12820095, 21366825, 64100475]

約数ペア:

[(1, 64100475), (3, 21366825), (5, 12820095), (9, 7122275), (15, 4273365), (25, 2564019), (45, 1424455), (75, 854673), (225, 284891), (431, 148725), (661, 96975), (1293, 49575), (1983, 32325), (2155, 29745), (3305, 19395), (3879, 16525), (5949, 10775), (6465, 9915)]