212625501

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{280139}}^1$

素因数の和:280176

約数の個数: 16

約数和(自身を含む): 322721280

約数和(自身を除く): 110095779

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 280139, 840417, 3081529, 6443197, 9244587, 19329591, 70875167, 212625501]

約数ペア:

[(1, 212625501), (3, 70875167), (11, 19329591), (23, 9244587), (33, 6443197), (69, 3081529), (253, 840417), (759, 280139)]