15920577

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 25436160

約数和(自身を除く): 9515583

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 827, 837, 2139, 2481, 6417, 7443, 19021, 19251, 22329, 25637, 57063, 76911, 171189, 230733, 513567, 589651, 692199, 1768953, 5306859, 15920577]

約数ペア:

[(1, 15920577), (3, 5306859), (9, 1768953), (23, 692199), (27, 589651), (31, 513567), (69, 230733), (93, 171189), (207, 76911), (279, 57063), (621, 25637), (713, 22329), (827, 19251), (837, 19021), (2139, 7443), (2481, 6417)]