1234613121

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{209221}}^1$

素因数の和:209512

約数の個数: 16

約数和(自身を含む): 1888019328

約数和(自身を除く): 653406207

約数列:

[1, 3, 7, 21, 281, 843, 1967, 5901, 209221, 627663, 1464547, 4393641, 58791101, 176373303, 411537707, 1234613121]

約数ペア:

[(1, 1234613121), (3, 411537707), (7, 176373303), (21, 58791101), (281, 4393641), (843, 1464547), (1967, 627663), (5901, 209221)]