81475221

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{4861}}^1$

素因数の和:5052

約数の個数: 16

約数和(自身を含む): 112331648

約数和(自身を除く): 30856427

約数列:

[1, 3, 37, 111, 151, 453, 4861, 5587, 14583, 16761, 179857, 539571, 734011, 2202033, 27158407, 81475221]

約数ペア:

[(1, 81475221), (3, 27158407), (37, 2202033), (111, 734011), (151, 539571), (453, 179857), (4861, 16761), (5587, 14583)]