831344391

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{331081}}^1$

素因数の和:331124

約数の個数: 20

約数和(自身を含む): 1281949504

約数和(自身を除く): 450605113

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 331081, 993243, 2979729, 8939187, 10263511, 26817561, 30790533, 92371599, 277114797, 831344391]

約数ペア:

[(1, 831344391), (3, 277114797), (9, 92371599), (27, 30790533), (31, 26817561), (81, 10263511), (93, 8939187), (279, 2979729), (837, 993243), (2511, 331081)]