1228797

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 1848960

約数和(自身を除く): 620163

約数列:

[1, 3, 9, 27, 71, 213, 639, 641, 1917, 1923, 5769, 17307, 45511, 136533, 409599, 1228797]

約数ペア:

[(1, 1228797), (3, 409599), (9, 136533), (27, 45511), (71, 17307), (213, 5769), (639, 1923), (641, 1917)]