11897199

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:972

約数の個数: 20

約数和(自身を含む): 17888640

約数和(自身を除く): 5991441

約数列:

[1, 3, 9, 27, 81, 191, 573, 769, 1719, 2307, 5157, 6921, 15471, 20763, 62289, 146879, 440637, 1321911, 3965733, 11897199]

約数ペア:

[(1, 11897199), (3, 3965733), (9, 1321911), (27, 440637), (81, 146879), (191, 62289), (573, 20763), (769, 15471), (1719, 6921), (2307, 5157)]