25940439

素因数分解:

$3^3\times 7^1\times {\mathrm{137251}}^1$

素因数の和:137267

約数の個数: 16

約数和(自身を含む): 43920640

約数和(自身を除く): 17980201

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 137251, 411753, 960757, 1235259, 2882271, 3705777, 8646813, 25940439]

約数ペア:

[(1, 25940439), (3, 8646813), (7, 3705777), (9, 2882271), (21, 1235259), (27, 960757), (63, 411753), (189, 137251)]