249339945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4441}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 422167680

約数和(自身を除く): 172827735

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 2955, 3743, 4441, 11229, 13323, 18715, 22205, 56145, 66615, 84379, 253137, 421895, 874877, 1265685, 2624631, 4374385, 13123155, 16622663, 49867989, 83113315, 249339945]

約数ペア:

[(1, 249339945), (3, 83113315), (5, 49867989), (15, 16622663), (19, 13123155), (57, 4374385), (95, 2624631), (197, 1265685), (285, 874877), (591, 421895), (985, 253137), (2955, 84379), (3743, 66615), (4441, 56145), (11229, 22205), (13323, 18715)]