356780907

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{7561}}^1$

素因数の和:7688

約数の個数: 36

約数和(自身を含む): 605171736

約数和(自身を除く): 248390829

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 2247, 5243, 6741, 7561, 15729, 22683, 47187, 52927, 68049, 158781, 370489, 476343, 809027, 1111467, 2427081, 3334401, 5663189, 7281243, 16989567, 39642323, 50968701, 118926969, 356780907]

約数ペア:

[(1, 356780907), (3, 118926969), (7, 50968701), (9, 39642323), (21, 16989567), (49, 7281243), (63, 5663189), (107, 3334401), (147, 2427081), (321, 1111467), (441, 809027), (749, 476343), (963, 370489), (2247, 158781), (5243, 68049), (6741, 52927), (7561, 47187), (15729, 22683)]