15820677

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1314

約数の個数: 20

約数和(自身を含む): 23791020

約数和(自身を除く): 7970343

約数列:

[1, 3, 9, 27, 81, 173, 519, 1129, 1557, 3387, 4671, 10161, 14013, 30483, 91449, 195317, 585951, 1757853, 5273559, 15820677]

約数ペア:

[(1, 15820677), (3, 5273559), (9, 1757853), (27, 585951), (81, 195317), (173, 91449), (519, 30483), (1129, 14013), (1557, 10161), (3387, 4671)]