25209105

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17558895

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 449, 591, 985, 1347, 2245, 2955, 3743, 6735, 8531, 11229, 18715, 25593, 42655, 56145, 88453, 127965, 265359, 442265, 1326795, 1680607, 5041821, 8403035, 25209105]

約数ペア:

[(1, 25209105), (3, 8403035), (5, 5041821), (15, 1680607), (19, 1326795), (57, 442265), (95, 265359), (197, 127965), (285, 88453), (449, 56145), (591, 42655), (985, 25593), (1347, 18715), (2245, 11229), (2955, 8531), (3743, 6735)]