404865297

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{217319}}^1$

素因数の和:217354

約数の個数: 20

約数和(自身を含む): 631097280

約数和(自身を除く): 226231983

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 217319, 651957, 1955871, 4998337, 5867613, 14995011, 17602839, 44985033, 134955099, 404865297]

約数ペア:

[(1, 404865297), (3, 134955099), (9, 44985033), (23, 17602839), (27, 14995011), (69, 5867613), (81, 4998337), (207, 1955871), (621, 651957), (1863, 217319)]