17916939

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 26916032

約数和(自身を除く): 8999093

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 691, 2073, 2881, 6219, 8643, 25929, 29713, 46297, 89139, 138891, 267417, 416673, 1990771, 5972313, 17916939]

約数ペア:

[(1, 17916939), (3, 5972313), (9, 1990771), (43, 416673), (67, 267417), (129, 138891), (201, 89139), (387, 46297), (603, 29713), (691, 25929), (2073, 8643), (2881, 6219)]