309348531

素因数分解:

$3^3\times {\mathrm{139}}^2\times {\mathrm{593}}^1$

素因数の和:880

約数の個数: 24

約数和(自身を含む): 462393360

約数和(自身を除く): 153044829

約数列:

[1, 3, 9, 27, 139, 417, 593, 1251, 1779, 3753, 5337, 16011, 19321, 57963, 82427, 173889, 247281, 521667, 741843, 2225529, 11457353, 34372059, 103116177, 309348531]

約数ペア:

[(1, 309348531), (3, 103116177), (9, 34372059), (27, 11457353), (139, 2225529), (417, 741843), (593, 521667), (1251, 247281), (1779, 173889), (3753, 82427), (5337, 57963), (16011, 19321)]