25568721

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 37781640

約数和(自身を除く): 12212919

約数列:

[1, 3, 9, 89, 137, 233, 267, 411, 699, 801, 1233, 2097, 12193, 20737, 31921, 36579, 62211, 95763, 109737, 186633, 287289, 2840969, 8522907, 25568721]

約数ペア:

[(1, 25568721), (3, 8522907), (9, 2840969), (89, 287289), (137, 186633), (233, 109737), (267, 95763), (411, 62211), (699, 36579), (801, 31921), (1233, 20737), (2097, 12193)]