81165258

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2549}}^1$

素因数の和:2647

約数の個数: 48

約数和(自身を含む): 184977000

約数和(自身を除く): 103811742

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 1098, 1769, 2549, 3538, 5098, 5307, 7647, 10614, 15294, 15921, 22941, 31842, 45882, 73921, 147842, 155489, 221763, 310978, 443526, 466467, 665289, 932934, 1330578, 1399401, 2798802, 4509181, 9018362, 13527543, 27055086, 40582629, 81165258]

約数ペア:

[(1, 81165258), (2, 40582629), (3, 27055086), (6, 13527543), (9, 9018362), (18, 4509181), (29, 2798802), (58, 1399401), (61, 1330578), (87, 932934), (122, 665289), (174, 466467), (183, 443526), (261, 310978), (366, 221763), (522, 155489), (549, 147842), (1098, 73921), (1769, 45882), (2549, 31842), (3538, 22941), (5098, 15921), (5307, 15294), (7647, 10614)]