11920279

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1555

約数の個数: 16

約数和(自身を含む): 14515200

約数和(自身を除く): 2594921

約数列:

[1, 7, 23, 49, 161, 343, 1127, 1511, 7889, 10577, 34753, 74039, 243271, 518273, 1702897, 11920279]

約数ペア:

[(1, 11920279), (7, 1702897), (23, 518273), (49, 243271), (161, 74039), (343, 34753), (1127, 10577), (1511, 7889)]