25863867

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 38913600

約数和(自身を除く): 13049733

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2143, 4023, 6429, 12069, 19287, 57861, 173583, 319307, 957921, 2873763, 8621289, 25863867]

約数ペア:

[(1, 25863867), (3, 8621289), (9, 2873763), (27, 957921), (81, 319307), (149, 173583), (447, 57861), (1341, 19287), (2143, 12069), (4023, 6429)]