17288397

素因数分解:

$3^4\times 7^1\times {\mathrm{30491}}^1$

素因数の和:30510

約数の個数: 20

約数和(自身を含む): 29516256

約数和(自身を除く): 12227859

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30491, 91473, 213437, 274419, 640311, 823257, 1920933, 2469771, 5762799, 17288397]

約数ペア:

[(1, 17288397), (3, 5762799), (7, 2469771), (9, 1920933), (21, 823257), (27, 640311), (63, 274419), (81, 213437), (189, 91473), (567, 30491)]