90509643

素因数分解:

$3^4\times 7^1\times {\mathrm{159629}}^1$

素因数の和:159648

約数の個数: 20

約数和(自身を含む): 154521840

約数和(自身を除く): 64012197

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 159629, 478887, 1117403, 1436661, 3352209, 4309983, 10056627, 12929949, 30169881, 90509643]

約数ペア:

[(1, 90509643), (3, 30169881), (7, 12929949), (9, 10056627), (21, 4309983), (27, 3352209), (63, 1436661), (81, 1117403), (189, 478887), (567, 159629)]