247365441

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{20681}}^1$

素因数の和:21133

約数の個数: 16

約数和(自身を含む): 367312320

約数和(自身を除く): 119946879

約数列:

[1, 3, 9, 27, 443, 1329, 3987, 11961, 20681, 62043, 186129, 558387, 9161683, 27485049, 82455147, 247365441]

約数ペア:

[(1, 247365441), (3, 82455147), (9, 27485049), (27, 9161683), (443, 558387), (1329, 186129), (3987, 62043), (11961, 20681)]