220181391

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 324398880

約数和(自身を除く): 104217489

約数列:

[1, 3, 9, 61, 183, 389, 549, 1031, 1167, 3093, 3501, 9279, 23729, 62891, 71187, 188673, 213561, 401059, 566019, 1203177, 3609531, 24464599, 73393797, 220181391]

約数ペア:

[(1, 220181391), (3, 73393797), (9, 24464599), (61, 3609531), (183, 1203177), (389, 566019), (549, 401059), (1031, 213561), (1167, 188673), (3093, 71187), (3501, 62891), (9279, 23729)]