20180149587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{409691}}^1$

素因数の和:410131

約数の個数: 24

約数和(自身を含む): 31465984368

約数和(自身を除く): 11285834781

約数列:

[1, 3, 9, 13, 39, 117, 421, 1263, 3789, 5473, 16419, 49257, 409691, 1229073, 3687219, 5325983, 15977949, 47933847, 172479911, 517439733, 1552319199, 2242238843, 6726716529, 20180149587]

約数ペア:

[(1, 20180149587), (3, 6726716529), (9, 2242238843), (13, 1552319199), (39, 517439733), (117, 172479911), (421, 47933847), (1263, 15977949), (3789, 5325983), (5473, 3687219), (16419, 1229073), (49257, 409691)]