490640703

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{170539}}^1$

素因数の和:170686

約数の個数: 16

約数和(自身を含む): 753104640

約数和(自身を除く): 262463937

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 170539, 511617, 1193773, 3581319, 23363843, 70091529, 163546901, 490640703]

約数ペア:

[(1, 490640703), (3, 163546901), (7, 70091529), (21, 23363843), (137, 3581319), (411, 1193773), (959, 511617), (2877, 170539)]