127668961

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{137131}}^1$

素因数の和:137164

約数の個数: 12

約数和(自身を含む): 156330480

約数和(自身を除く): 28661519

約数列:

[1, 7, 19, 49, 133, 931, 137131, 959917, 2605489, 6719419, 18238423, 127668961]

約数ペア:

[(1, 127668961), (7, 18238423), (19, 6719419), (49, 2605489), (133, 959917), (931, 137131)]