2120391

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1750329

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 863, 2457, 2589, 6041, 7767, 11219, 18123, 23301, 33657, 54369, 78533, 100971, 163107, 235599, 302913, 706797, 2120391]

約数ペア:

[(1, 2120391), (3, 706797), (7, 302913), (9, 235599), (13, 163107), (21, 100971), (27, 78533), (39, 54369), (63, 33657), (91, 23301), (117, 18123), (189, 11219), (273, 7767), (351, 6041), (819, 2589), (863, 2457)]