2019949725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{626341}}^1$

素因数の和:626397

約数の個数: 24

約数和(自身を含む): 3417321952

約数和(自身を除く): 1397372227

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 626341, 1879023, 3131705, 9395115, 15658525, 26932663, 46975575, 80797989, 134663315, 403989945, 673316575, 2019949725]

約数ペア:

[(1, 2019949725), (3, 673316575), (5, 403989945), (15, 134663315), (25, 80797989), (43, 46975575), (75, 26932663), (129, 15658525), (215, 9395115), (645, 3131705), (1075, 1879023), (3225, 626341)]