17995159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6430

約数の個数: 16

約数和(自身を含む): 22865920

約数和(自身を除く): 4870761

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6379, 44653, 82927, 197749, 580489, 1384243, 2570737, 17995159]

約数ペア:

[(1, 17995159), (7, 2570737), (13, 1384243), (31, 580489), (91, 197749), (217, 82927), (403, 44653), (2821, 6379)]