28355327

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2179}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 38298240

約数和(自身を除く): 9942913

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 2179, 13013, 15253, 23969, 28327, 167783, 198289, 311597, 368251, 2181179, 2577757, 4050761, 28355327]

約数ペア:

[(1, 28355327), (7, 4050761), (11, 2577757), (13, 2181179), (77, 368251), (91, 311597), (143, 198289), (169, 167783), (1001, 28327), (1183, 23969), (1859, 15253), (2179, 13013)]