25228215

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2657}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 43952688

約数和(自身を除く): 18724473

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2657, 3165, 7971, 9495, 13285, 23913, 39855, 119565, 560627, 1681881, 2803135, 5045643, 8409405, 25228215]

約数ペア:

[(1, 25228215), (3, 8409405), (5, 5045643), (9, 2803135), (15, 1681881), (45, 560627), (211, 119565), (633, 39855), (1055, 23913), (1899, 13285), (2657, 9495), (3165, 7971)]