398137923

素因数分解:

$3^4\times {\mathrm{1511}}^1\times {\mathrm{3253}}^1$

素因数の和:4776

約数の個数: 20

約数和(自身を含む): 595325808

約数和(自身を除く): 197187885

約数列:

[1, 3, 9, 27, 81, 1511, 3253, 4533, 9759, 13599, 29277, 40797, 87831, 122391, 263493, 4915283, 14745849, 44237547, 132712641, 398137923]

約数ペア:

[(1, 398137923), (3, 132712641), (9, 44237547), (27, 14745849), (81, 4915283), (1511, 263493), (3253, 122391), (4533, 87831), (9759, 40797), (13599, 29277)]