12861993

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6491607

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 251, 551, 589, 753, 899, 1653, 1767, 2697, 4769, 7279, 7781, 14307, 17081, 21837, 23343, 51243, 138301, 147839, 225649, 414903, 443517, 676947, 4287331, 12861993]

約数ペア:

[(1, 12861993), (3, 4287331), (19, 676947), (29, 443517), (31, 414903), (57, 225649), (87, 147839), (93, 138301), (251, 51243), (551, 23343), (589, 21837), (753, 17081), (899, 14307), (1653, 7781), (1767, 7279), (2697, 4769)]