13720329

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2447}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 22913280

約数和(自身を除く): 9192951

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 2447, 5607, 7341, 17129, 22023, 51387, 154161, 217783, 653349, 1524481, 1960047, 4573443, 13720329]

約数ペア:

[(1, 13720329), (3, 4573443), (7, 1960047), (9, 1524481), (21, 653349), (63, 217783), (89, 154161), (267, 51387), (623, 22023), (801, 17129), (1869, 7341), (2447, 5607)]