2173509

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1429}}^1$

素因数の和:1461

約数の個数: 18

約数和(自身を含む): 3401970

約数和(自身を除く): 1228461

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1429, 1521, 4287, 12861, 18577, 55731, 167193, 241501, 724503, 2173509]

約数ペア:

[(1, 2173509), (3, 724503), (9, 241501), (13, 167193), (39, 55731), (117, 18577), (169, 12861), (507, 4287), (1429, 1521)]