68491905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{106189}}^1$

素因数の和:106240

約数の個数: 16

約数和(自身を含む): 112136640

約数和(自身を除く): 43644735

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 106189, 318567, 530945, 1592835, 4566127, 13698381, 22830635, 68491905]

約数ペア:

[(1, 68491905), (3, 22830635), (5, 13698381), (15, 4566127), (43, 1592835), (129, 530945), (215, 318567), (645, 106189)]