251011791

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{106859}}^1$

素因数の和:106900

約数の個数: 20

約数和(自身を含む): 387901800

約数和(自身を除く): 136890009

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 106859, 320577, 961731, 2885193, 3098911, 8655579, 9296733, 27890199, 83670597, 251011791]

約数ペア:

[(1, 251011791), (3, 83670597), (9, 27890199), (27, 9296733), (29, 8655579), (81, 3098911), (87, 2885193), (261, 961731), (783, 320577), (2349, 106859)]