6439629

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 10145088

約数和(自身を除く): 3705459

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 617, 1491, 1851, 3479, 4319, 10437, 12957, 30233, 43807, 90699, 131421, 306649, 919947, 2146543, 6439629]

約数ペア:

[(1, 6439629), (3, 2146543), (7, 919947), (21, 306649), (49, 131421), (71, 90699), (147, 43807), (213, 30233), (497, 12957), (617, 10437), (1491, 4319), (1851, 3479)]