15990741

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 25148760

約数和(自身を除く): 9158019

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1409, 3783, 4227, 11349, 12681, 18317, 54951, 136673, 164853, 410019, 1230057, 1776749, 5330247, 15990741]

約数ペア:

[(1, 15990741), (3, 5330247), (9, 1776749), (13, 1230057), (39, 410019), (97, 164853), (117, 136673), (291, 54951), (873, 18317), (1261, 12681), (1409, 11349), (3783, 4227)]