398889441

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{8747}}^1$

素因数の和:9322

約数の個数: 20

約数和(自身を含む): 596998512

約数和(自身を除く): 198109071

約数列:

[1, 3, 9, 27, 81, 563, 1689, 5067, 8747, 15201, 26241, 45603, 78723, 236169, 708507, 4924561, 14773683, 44321049, 132963147, 398889441]

約数ペア:

[(1, 398889441), (3, 132963147), (9, 44321049), (27, 14773683), (81, 4924561), (563, 708507), (1689, 236169), (5067, 78723), (8747, 45603), (15201, 26241)]