129343887

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1723}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 197225600

約数和(自身を除く): 67881713

約数列:

[1, 3, 9, 19, 57, 171, 439, 1317, 1723, 3951, 5169, 8341, 15507, 25023, 32737, 75069, 98211, 294633, 756397, 2269191, 6807573, 14371543, 43114629, 129343887]

約数ペア:

[(1, 129343887), (3, 43114629), (9, 14371543), (19, 6807573), (57, 2269191), (171, 756397), (439, 294633), (1317, 98211), (1723, 75069), (3951, 32737), (5169, 25023), (8341, 15507)]