39907989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 63090144

約数和(自身を除く): 23182155

約数列:

[1, 3, 9, 11, 33, 99, 491, 821, 1473, 2463, 4419, 5401, 7389, 9031, 16203, 27093, 48609, 81279, 403111, 1209333, 3627999, 4434221, 13302663, 39907989]

約数ペア:

[(1, 39907989), (3, 13302663), (9, 4434221), (11, 3627999), (33, 1209333), (99, 403111), (491, 81279), (821, 48609), (1473, 27093), (2463, 16203), (4419, 9031), (5401, 7389)]