6397979

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 7795200

約数和(自身を除く): 1397221

約数列:

[1, 7, 23, 49, 161, 343, 811, 1127, 5677, 7889, 18653, 39739, 130571, 278173, 913997, 6397979]

約数ペア:

[(1, 6397979), (7, 913997), (23, 278173), (49, 130571), (161, 39739), (343, 18653), (811, 7889), (1127, 5677)]