131489631

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5236

約数の個数: 48

約数和(自身を含む): 241346560

約数和(自身を除く): 109856929

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 5179, 8463, 15537, 25389, 36253, 46611, 67327, 108759, 160549, 201981, 326277, 471289, 481647, 605943, 1123843, 1413867, 1444941, 2087137, 3371529, 4241601, 6261411, 10114587, 14609959, 18784233, 43829877, 131489631]

約数ペア:

[(1, 131489631), (3, 43829877), (7, 18784233), (9, 14609959), (13, 10114587), (21, 6261411), (31, 4241601), (39, 3371529), (63, 2087137), (91, 1444941), (93, 1413867), (117, 1123843), (217, 605943), (273, 481647), (279, 471289), (403, 326277), (651, 201981), (819, 160549), (1209, 108759), (1953, 67327), (2821, 46611), (3627, 36253), (5179, 25389), (8463, 15537)]