408054753

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{219031}}^1$

素因数の和:219066

約数の個数: 20

約数和(自身を含む): 636068928

約数和(自身を除く): 228014175

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 219031, 657093, 1971279, 5037713, 5913837, 15113139, 17741511, 45339417, 136018251, 408054753]

約数ペア:

[(1, 408054753), (3, 136018251), (9, 45339417), (23, 17741511), (27, 15113139), (69, 5913837), (81, 5037713), (207, 1971279), (621, 657093), (1863, 219031)]