1279881

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 2009280

約数和(自身を除く): 729399

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 229, 243, 621, 687, 1863, 2061, 5267, 5589, 6183, 15801, 18549, 47403, 55647, 142209, 426627, 1279881]

約数ペア:

[(1, 1279881), (3, 426627), (9, 142209), (23, 55647), (27, 47403), (69, 18549), (81, 15801), (207, 6183), (229, 5589), (243, 5267), (621, 2061), (687, 1863)]