218366323173

素因数分解:

$3^4\times {\mathrm{7873}}^1\times {\mathrm{342421}}^1$

素因数の和:350306

約数の個数: 20

約数和(自身を含む): 326243930188

約数和(自身を除く): 107877607015

約数列:

[1, 3, 9, 27, 81, 7873, 23619, 70857, 212571, 342421, 637713, 1027263, 3081789, 9245367, 27736101, 2695880533, 8087641599, 24262924797, 72788774391, 218366323173]

約数ペア:

[(1, 218366323173), (3, 72788774391), (9, 24262924797), (27, 8087641599), (81, 2695880533), (7873, 27736101), (23619, 9245367), (70857, 3081789), (212571, 1027263), (342421, 637713)]