9997897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 12393472

約数和(自身を除く): 2395575

約数列:

[1, 7, 13, 91, 181, 607, 1267, 2353, 4249, 7891, 16471, 55237, 109867, 769069, 1428271, 9997897]

約数ペア:

[(1, 9997897), (7, 1428271), (13, 769069), (91, 109867), (181, 55237), (607, 16471), (1267, 7891), (2353, 4249)]