25131585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17636415

約数列:

[1, 3, 5, 15, 19, 57, 95, 109, 285, 327, 545, 809, 1635, 2071, 2427, 4045, 6213, 10355, 12135, 15371, 31065, 46113, 76855, 88181, 230565, 264543, 440905, 1322715, 1675439, 5026317, 8377195, 25131585]

約数ペア:

[(1, 25131585), (3, 8377195), (5, 5026317), (15, 1675439), (19, 1322715), (57, 440905), (95, 264543), (109, 230565), (285, 88181), (327, 76855), (545, 46113), (809, 31065), (1635, 15371), (2071, 12135), (2427, 10355), (4045, 6213)]