438774003

素因数分解:

$3^4\times {\mathrm{751}}^1\times {\mathrm{7213}}^1$

素因数の和:7976

約数の個数: 20

約数和(自身を含む): 656416288

約数和(自身を除く): 217642285

約数列:

[1, 3, 9, 27, 81, 751, 2253, 6759, 7213, 20277, 21639, 60831, 64917, 194751, 584253, 5416963, 16250889, 48752667, 146258001, 438774003]

約数ペア:

[(1, 438774003), (3, 146258001), (9, 48752667), (27, 16250889), (81, 5416963), (751, 584253), (2253, 194751), (6759, 64917), (7213, 60831), (20277, 21639)]