13281747

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 18240768

約数和(自身を除く): 4959021

約数列:

[1, 3, 53, 103, 159, 309, 811, 2433, 5459, 16377, 42983, 83533, 128949, 250599, 4427249, 13281747]

約数ペア:

[(1, 13281747), (3, 4427249), (53, 250599), (103, 128949), (159, 83533), (309, 42983), (811, 16377), (2433, 5459)]