128988651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 191513088

約数和(自身を除く): 62524437

約数列:

[1, 3, 11, 33, 103, 137, 277, 309, 411, 831, 1133, 1507, 3047, 3399, 4521, 9141, 14111, 28531, 37949, 42333, 85593, 113847, 155221, 313841, 417439, 465663, 941523, 1252317, 3908747, 11726241, 42996217, 128988651]

約数ペア:

[(1, 128988651), (3, 42996217), (11, 11726241), (33, 3908747), (103, 1252317), (137, 941523), (277, 465663), (309, 417439), (411, 313841), (831, 155221), (1133, 113847), (1507, 85593), (3047, 42333), (3399, 37949), (4521, 28531), (9141, 14111)]