17221977

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1229}}^1$

素因数の和:1414

約数の個数: 20

約数和(自身を含む): 25896420

約数和(自身を除く): 8674443

約数列:

[1, 3, 9, 27, 81, 173, 519, 1229, 1557, 3687, 4671, 11061, 14013, 33183, 99549, 212617, 637851, 1913553, 5740659, 17221977]

約数ペア:

[(1, 17221977), (3, 5740659), (9, 1913553), (27, 637851), (81, 212617), (173, 99549), (519, 33183), (1229, 14013), (1557, 11061), (3687, 4671)]