1630401615

素因数分解:

$3^4\times 5^1\times {\mathrm{4025683}}^1$

素因数の和:4025700

約数の個数: 20

約数和(自身を含む): 2922646584

約数和(自身を除く): 1292244969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4025683, 12077049, 20128415, 36231147, 60385245, 108693441, 181155735, 326080323, 543467205, 1630401615]

約数ペア:

[(1, 1630401615), (3, 543467205), (5, 326080323), (9, 181155735), (15, 108693441), (27, 60385245), (45, 36231147), (81, 20128415), (135, 12077049), (405, 4025683)]