20171640027

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12474731}}^1$

素因数の和:12474759

約数の個数: 24

約数和(自身を含む): 34130866752

約数和(自身を除く): 13959226725

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12474731, 37424193, 87323117, 137222041, 261969351, 411666123, 611261819, 960554287, 1833785457, 2881662861, 6723880009, 20171640027]

約数ペア:

[(1, 20171640027), (3, 6723880009), (7, 2881662861), (11, 1833785457), (21, 960554287), (33, 611261819), (49, 411666123), (77, 261969351), (147, 137222041), (231, 87323117), (539, 37424193), (1617, 12474731)]