9951305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21896

約数の個数: 16

約数和(自身を含む): 14697984

約数和(自身を除く): 4746679

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 21871, 109355, 153097, 284323, 765485, 1421615, 1990261, 9951305]

約数ペア:

[(1, 9951305), (5, 1990261), (7, 1421615), (13, 765485), (35, 284323), (65, 153097), (91, 109355), (455, 21871)]