25107367095

素因数分解:

$3^4\times 5^1\times {\mathrm{61993499}}^1$

素因数の和:61993516

約数の個数: 20

約数和(自身を含む): 45007281000

約数和(自身を除く): 19899913905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61993499, 185980497, 309967495, 557941491, 929902485, 1673824473, 2789707455, 5021473419, 8369122365, 25107367095]

約数ペア:

[(1, 25107367095), (3, 8369122365), (5, 5021473419), (9, 2789707455), (15, 1673824473), (27, 929902485), (45, 557941491), (81, 309967495), (135, 185980497), (405, 61993499)]