87480939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2339}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 144668160

約数和(自身を除く): 57187221

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 2339, 2877, 5343, 7017, 12467, 16373, 30407, 37401, 49119, 91221, 212849, 320443, 638547, 961329, 2243101, 4165759, 6729303, 12497277, 29160313, 87480939]

約数ペア:

[(1, 87480939), (3, 29160313), (7, 12497277), (13, 6729303), (21, 4165759), (39, 2243101), (91, 961329), (137, 638547), (273, 320443), (411, 212849), (959, 91221), (1781, 49119), (2339, 37401), (2877, 30407), (5343, 16373), (7017, 12467)]