679980561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{6637}}^1$

素因数の和:6761

約数の個数: 32

約数和(自身を含む): 1017047808

約数和(自身を除く): 337067247

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 481, 923, 1443, 2627, 2769, 6637, 7881, 19911, 34151, 86281, 102453, 245569, 258843, 471227, 736707, 1413681, 3192397, 6125951, 9577191, 17435399, 18377853, 52306197, 226660187, 679980561]

約数ペア:

[(1, 679980561), (3, 226660187), (13, 52306197), (37, 18377853), (39, 17435399), (71, 9577191), (111, 6125951), (213, 3192397), (481, 1413681), (923, 736707), (1443, 471227), (2627, 258843), (2769, 245569), (6637, 102453), (7881, 86281), (19911, 34151)]