81275145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2473}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 149152512

約数和(自身を除く): 67877367

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 313, 939, 1565, 2191, 2473, 4695, 6573, 7419, 10955, 12365, 17311, 32865, 37095, 51933, 86555, 259665, 774049, 2322147, 3870245, 5418343, 11610735, 16255029, 27091715, 81275145]

約数ペア:

[(1, 81275145), (3, 27091715), (5, 16255029), (7, 11610735), (15, 5418343), (21, 3870245), (35, 2322147), (105, 774049), (313, 259665), (939, 86555), (1565, 51933), (2191, 37095), (2473, 32865), (4695, 17311), (6573, 12365), (7419, 10955)]