87128301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 131685120

約数和(自身を除く): 44556819

約数列:

[1, 3, 13, 23, 39, 69, 137, 299, 411, 709, 897, 1781, 2127, 3151, 5343, 9217, 9453, 16307, 27651, 40963, 48921, 97133, 122889, 211991, 291399, 635973, 1262729, 2234059, 3788187, 6702177, 29042767, 87128301]

約数ペア:

[(1, 87128301), (3, 29042767), (13, 6702177), (23, 3788187), (39, 2234059), (69, 1262729), (137, 635973), (299, 291399), (411, 211991), (709, 122889), (897, 97133), (1781, 48921), (2127, 40963), (3151, 27651), (5343, 16307), (9217, 9453)]