81910101

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 135374848

約数和(自身を除く): 53464747

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 453, 1057, 1963, 1987, 3171, 5889, 5961, 13741, 13909, 25831, 41223, 41727, 77493, 180817, 300037, 542451, 900111, 2100259, 3900481, 6300777, 11701443, 27303367, 81910101]

約数ペア:

[(1, 81910101), (3, 27303367), (7, 11701443), (13, 6300777), (21, 3900481), (39, 2100259), (91, 900111), (151, 542451), (273, 300037), (453, 180817), (1057, 77493), (1963, 41727), (1987, 41223), (3171, 25831), (5889, 13909), (5961, 13741)]