12821276181

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7355867}}^1$

素因数の和:7355960

約数の個数: 16

約数和(自身を含む): 19772573184

約数和(自身を除く): 6951297003

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 7355867, 22067601, 51491069, 154473207, 610536961, 1831610883, 4273758727, 12821276181]

約数ペア:

[(1, 12821276181), (3, 4273758727), (7, 1831610883), (21, 610536961), (83, 154473207), (249, 51491069), (581, 22067601), (1743, 7355867)]