121121791

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 140616000

約数和(自身を除く): 19494209

約数列:

[1, 7, 89, 433, 449, 623, 3031, 3143, 38537, 39961, 194417, 269759, 279727, 1360919, 17303113, 121121791]

約数ペア:

[(1, 121121791), (7, 17303113), (89, 1360919), (433, 279727), (449, 269759), (623, 194417), (3031, 39961), (3143, 38537)]