251312085

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7789}}^1$

素因数の和:8042

約数の個数: 32

約数和(自身を含む): 448704000

約数和(自身を除く): 197391915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 717, 1195, 2151, 3585, 6453, 7789, 10755, 23367, 32265, 38945, 70101, 116835, 210303, 350505, 1051515, 1861571, 5584713, 9307855, 16754139, 27923565, 50262417, 83770695, 251312085]

約数ペア:

[(1, 251312085), (3, 83770695), (5, 50262417), (9, 27923565), (15, 16754139), (27, 9307855), (45, 5584713), (135, 1861571), (239, 1051515), (717, 350505), (1195, 210303), (2151, 116835), (3585, 70101), (6453, 38945), (7789, 32265), (10755, 23367)]