420166089

素因数分解:

$3^3\times 7^1\times {\mathrm{2223101}}^1$

素因数の和:2223117

約数の個数: 16

約数和(自身を含む): 711392640

約数和(自身を除く): 291226551

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2223101, 6669303, 15561707, 20007909, 46685121, 60023727, 140055363, 420166089]

約数ペア:

[(1, 420166089), (3, 140055363), (7, 60023727), (9, 46685121), (21, 20007909), (27, 15561707), (63, 6669303), (189, 2223101)]