220132521

素因数分解:

$3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{3463}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 363858560

約数和(自身を除く): 143726039

約数列:

[1, 3, 7, 9, 21, 63, 1009, 3027, 3463, 7063, 9081, 10389, 21189, 24241, 31167, 63567, 72723, 218169, 3494167, 10482501, 24459169, 31447503, 73377507, 220132521]

約数ペア:

[(1, 220132521), (3, 73377507), (7, 31447503), (9, 24459169), (21, 10482501), (63, 3494167), (1009, 218169), (3027, 72723), (3463, 63567), (7063, 31167), (9081, 24241), (10389, 21189)]