291246189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 428488704

約数和(自身を除く): 137242515

約数列:

[1, 3, 13, 39, 71, 107, 213, 321, 923, 983, 1391, 2769, 2949, 4173, 7597, 12779, 22791, 38337, 69793, 98761, 105181, 209379, 296283, 315543, 907309, 1367353, 2721927, 4102059, 7467851, 22403553, 97082063, 291246189]

約数ペア:

[(1, 291246189), (3, 97082063), (13, 22403553), (39, 7467851), (71, 4102059), (107, 2721927), (213, 1367353), (321, 907309), (923, 315543), (983, 296283), (1391, 209379), (2769, 105181), (2949, 98761), (4173, 69793), (7597, 38337), (12779, 22791)]