309721887

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 488847744

約数和(自身を除く): 179125857

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 207, 249, 621, 747, 1863, 1909, 2003, 2241, 5727, 6009, 6723, 17181, 18027, 46069, 51543, 54081, 138207, 154629, 162243, 166249, 414621, 498747, 1243863, 1496241, 3731589, 3823727, 4488723, 11471181, 13466169, 34413543, 103240629, 309721887]

約数ペア:

[(1, 309721887), (3, 103240629), (9, 34413543), (23, 13466169), (27, 11471181), (69, 4488723), (81, 3823727), (83, 3731589), (207, 1496241), (249, 1243863), (621, 498747), (747, 414621), (1863, 166249), (1909, 162243), (2003, 154629), (2241, 138207), (5727, 54081), (6009, 51543), (6723, 46069), (17181, 18027)]