15857613

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1578

約数の個数: 20

約数和(自身を含む): 23878140

約数和(自身を除く): 8020527

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1429, 3699, 4287, 11097, 12861, 38583, 115749, 195773, 587319, 1761957, 5285871, 15857613]

約数ペア:

[(1, 15857613), (3, 5285871), (9, 1761957), (27, 587319), (81, 195773), (137, 115749), (411, 38583), (1233, 12861), (1429, 11097), (3699, 4287)]