13990563

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2176

約数の個数: 20

約数和(自身を含む): 21161448

約数和(自身を除く): 7170885

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2081, 2241, 6243, 6723, 18729, 56187, 168561, 172723, 518169, 1554507, 4663521, 13990563]

約数ペア:

[(1, 13990563), (3, 4663521), (9, 1554507), (27, 518169), (81, 172723), (83, 168561), (249, 56187), (747, 18729), (2081, 6723), (2241, 6243)]