9917397

素因数分解:

$3^4\times 7^1\times {\mathrm{17491}}^1$

素因数の和:17510

約数の個数: 20

約数和(自身を含む): 16932256

約数和(自身を除く): 7014859

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 17491, 52473, 122437, 157419, 367311, 472257, 1101933, 1416771, 3305799, 9917397]

約数ペア:

[(1, 9917397), (3, 3305799), (7, 1416771), (9, 1101933), (21, 472257), (27, 367311), (63, 157419), (81, 122437), (189, 52473), (567, 17491)]