12457977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31223}}^1$

素因数の和:31252

約数の個数: 16

約数和(自身を含む): 19983360

約数和(自身を除く): 7525383

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31223, 93669, 218561, 593237, 655683, 1779711, 4152659, 12457977]

約数ペア:

[(1, 12457977), (3, 4152659), (7, 1779711), (19, 655683), (21, 593237), (57, 218561), (133, 93669), (399, 31223)]