251010171

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{34819}}^1$

素因数の和:34920

約数の個数: 20

約数和(自身を含む): 379189800

約数和(自身を除く): 128179629

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 34819, 104457, 313371, 940113, 2820339, 3098891, 9296673, 27890019, 83670057, 251010171]

約数ペア:

[(1, 251010171), (3, 83670057), (9, 27890019), (27, 9296673), (81, 3098891), (89, 2820339), (267, 940113), (801, 313371), (2403, 104457), (7209, 34819)]