67718895

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 111601152

約数和(自身を除く): 43882257

約数列:

[1, 3, 5, 15, 53, 103, 159, 265, 309, 515, 795, 827, 1545, 2481, 4135, 5459, 12405, 16377, 27295, 43831, 81885, 85181, 131493, 219155, 255543, 425905, 657465, 1277715, 4514593, 13543779, 22572965, 67718895]

約数ペア:

[(1, 67718895), (3, 22572965), (5, 13543779), (15, 4514593), (53, 1277715), (103, 657465), (159, 425905), (265, 255543), (309, 219155), (515, 131493), (795, 85181), (827, 81885), (1545, 43831), (2481, 27295), (4135, 16377), (5459, 12405)]