28604775

素因数分解:

$3^1\times 5^2\times {\mathrm{577}}^1\times {\mathrm{661}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 47446864

約数和(自身を除く): 18842089

約数列:

[1, 3, 5, 15, 25, 75, 577, 661, 1731, 1983, 2885, 3305, 8655, 9915, 14425, 16525, 43275, 49575, 381397, 1144191, 1906985, 5720955, 9534925, 28604775]

約数ペア:

[(1, 28604775), (3, 9534925), (5, 5720955), (15, 1906985), (25, 1144191), (75, 381397), (577, 49575), (661, 43275), (1731, 16525), (1983, 14425), (2885, 9915), (3305, 8655)]