25578921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 12437079

約数列:

[1, 3, 19, 23, 57, 69, 109, 179, 327, 437, 537, 1311, 2071, 2507, 3401, 4117, 6213, 7521, 10203, 12351, 19511, 47633, 58533, 78223, 142899, 234669, 370709, 448753, 1112127, 1346259, 8526307, 25578921]

約数ペア:

[(1, 25578921), (3, 8526307), (19, 1346259), (23, 1112127), (57, 448753), (69, 370709), (109, 234669), (179, 142899), (327, 78223), (437, 58533), (537, 47633), (1311, 19511), (2071, 12351), (2507, 10203), (3401, 7521), (4117, 6213)]