490147605

素因数分解:

$3^4\times 5^1\times {\mathrm{1210241}}^1$

素因数の和:1210258

約数の個数: 20

約数和(自身を含む): 878635692

約数和(自身を除く): 388488087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1210241, 3630723, 6051205, 10892169, 18153615, 32676507, 54460845, 98029521, 163382535, 490147605]

約数ペア:

[(1, 490147605), (3, 163382535), (5, 98029521), (9, 54460845), (15, 32676507), (27, 18153615), (45, 10892169), (81, 6051205), (135, 3630723), (405, 1210241)]