248779215

素因数分解:

$3^3\times 5^1\times {\mathrm{1842809}}^1$

素因数の和:1842823

約数の個数: 16

約数和(自身を含む): 442274400

約数和(自身を除く): 193495185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1842809, 5528427, 9214045, 16585281, 27642135, 49755843, 82926405, 248779215]

約数ペア:

[(1, 248779215), (3, 82926405), (5, 49755843), (9, 27642135), (15, 16585281), (27, 9214045), (45, 5528427), (135, 1842809)]