85311681

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2281}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 141082368

約数和(自身を除く): 55770687

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 2281, 2877, 5343, 6843, 12467, 15967, 29653, 37401, 47901, 88959, 207571, 312497, 622713, 937491, 2187479, 4062461, 6562437, 12187383, 28437227, 85311681]

約数ペア:

[(1, 85311681), (3, 28437227), (7, 12187383), (13, 6562437), (21, 4062461), (39, 2187479), (91, 937491), (137, 622713), (273, 312497), (411, 207571), (959, 88959), (1781, 47901), (2281, 37401), (2877, 29653), (5343, 15967), (6843, 12467)]