438720903

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{2543}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 656809920

約数和(自身を除く): 218089017

約数列:

[1, 3, 9, 29, 87, 261, 661, 1983, 2543, 5949, 7629, 19169, 22887, 57507, 73747, 172521, 221241, 663723, 1680923, 5042769, 15128307, 48746767, 146240301, 438720903]

約数ペア:

[(1, 438720903), (3, 146240301), (9, 48746767), (29, 15128307), (87, 5042769), (261, 1680923), (661, 663723), (1983, 221241), (2543, 172521), (5949, 73747), (7629, 57507), (19169, 22887)]