12811127

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 15267840

約数和(自身を除く): 2456713

約数列:

[1, 7, 29, 203, 223, 283, 1561, 1981, 6467, 8207, 45269, 57449, 63109, 441763, 1830161, 12811127]

約数ペア:

[(1, 12811127), (7, 1830161), (29, 441763), (203, 63109), (223, 57449), (283, 45269), (1561, 8207), (1981, 6467)]