408775419

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{20921}}^1$

素因数の和:21107

約数の個数: 24

約数和(自身を含む): 639711072

約数和(自身を除く): 230935653

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 1503, 2171, 6513, 19539, 20921, 62763, 188289, 271973, 815919, 2447757, 3493807, 10481421, 31444263, 45419491, 136258473, 408775419]

約数ペア:

[(1, 408775419), (3, 136258473), (9, 45419491), (13, 31444263), (39, 10481421), (117, 3493807), (167, 2447757), (501, 815919), (1503, 271973), (2171, 188289), (6513, 62763), (19539, 20921)]