31506027

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 49600512

約数和(自身を除く): 18094485

約数列:

[1, 3, 7, 21, 47, 137, 141, 233, 329, 411, 699, 959, 987, 1631, 2877, 4893, 6439, 10951, 19317, 31921, 32853, 45073, 76657, 95763, 135219, 223447, 229971, 670341, 1500287, 4500861, 10502009, 31506027]

約数ペア:

[(1, 31506027), (3, 10502009), (7, 4500861), (21, 1500287), (47, 670341), (137, 229971), (141, 223447), (233, 135219), (329, 95763), (411, 76657), (699, 45073), (959, 32853), (987, 31921), (1631, 19317), (2877, 10951), (4893, 6439)]