15720929

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 19029120

約数和(自身を除く): 3308191

約数列:

[1, 7, 29, 43, 203, 301, 1247, 1801, 8729, 12607, 52229, 77443, 365603, 542101, 2245847, 15720929]

約数ペア:

[(1, 15720929), (7, 2245847), (29, 542101), (43, 365603), (203, 77443), (301, 52229), (1247, 12607), (1801, 8729)]