161777169

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{22441}}^1$

素因数の和:22542

約数の個数: 20

約数和(自身を含む): 244393380

約数和(自身を除く): 82616211

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 22441, 67323, 201969, 605907, 1817721, 1997249, 5991747, 17975241, 53925723, 161777169]

約数ペア:

[(1, 161777169), (3, 53925723), (9, 17975241), (27, 5991747), (81, 1997249), (89, 1817721), (267, 605907), (801, 201969), (2403, 67323), (7209, 22441)]