31517031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6791}}^1$

素因数の和:6831

約数の個数: 32

約数和(自身を含む): 54770688

約数和(自身を除く): 23253657

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6791, 20373, 47537, 88283, 115447, 142611, 264849, 346341, 617981, 808129, 1500811, 1853943, 2424387, 4502433, 10505677, 31517031]

約数ペア:

[(1, 31517031), (3, 10505677), (7, 4502433), (13, 2424387), (17, 1853943), (21, 1500811), (39, 808129), (51, 617981), (91, 346341), (119, 264849), (221, 142611), (273, 115447), (357, 88283), (663, 47537), (1547, 20373), (4641, 6791)]