64847991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 95981760

約数和(自身を除く): 31133769

約数列:

[1, 3, 13, 39, 53, 137, 159, 229, 411, 687, 689, 1781, 2067, 2977, 5343, 7261, 8931, 12137, 21783, 31373, 36411, 94119, 94393, 157781, 283179, 407849, 473343, 1223547, 1662769, 4988307, 21615997, 64847991]

約数ペア:

[(1, 64847991), (3, 21615997), (13, 4988307), (39, 1662769), (53, 1223547), (137, 473343), (159, 407849), (229, 283179), (411, 157781), (687, 94393), (689, 94119), (1781, 36411), (2067, 31373), (2977, 21783), (5343, 12137), (7261, 8931)]