29921481

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3510

約数の個数: 20

約数和(自身を含む): 45120900

約数和(自身を除く): 15199419

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 3389, 8829, 10167, 30501, 91503, 274509, 369401, 1108203, 3324609, 9973827, 29921481]

約数ペア:

[(1, 29921481), (3, 9973827), (9, 3324609), (27, 1108203), (81, 369401), (109, 274509), (327, 91503), (981, 30501), (2943, 10167), (3389, 8829)]