1213367931

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{483221}}^1$

素因数の和:483264

約数の個数: 20

約数和(自身を含む): 1871035584

約数和(自身を除く): 657667653

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 483221, 1449663, 4348989, 13046967, 14979851, 39140901, 44939553, 134818659, 404455977, 1213367931]

約数ペア:

[(1, 1213367931), (3, 404455977), (9, 134818659), (27, 44939553), (31, 39140901), (81, 14979851), (93, 13046967), (279, 4348989), (837, 1449663), (2511, 483221)]