261565578

素因数分解:

$2^1\times 3^3\times {\mathrm{1553}}^1\times {\mathrm{3119}}^1$

素因数の和:4683

約数の個数: 32

約数和(自身を含む): 581817600

約数和(自身を除く): 320252022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1553, 3106, 3119, 4659, 6238, 9318, 9357, 13977, 18714, 27954, 28071, 41931, 56142, 83862, 84213, 168426, 4843807, 9687614, 14531421, 29062842, 43594263, 87188526, 130782789, 261565578]

約数ペア:

[(1, 261565578), (2, 130782789), (3, 87188526), (6, 43594263), (9, 29062842), (18, 14531421), (27, 9687614), (54, 4843807), (1553, 168426), (3106, 84213), (3119, 83862), (4659, 56142), (6238, 41931), (9318, 28071), (9357, 27954), (13977, 18714)]