209493873

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{3119}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 321235200

約数和(自身を除く): 111741327

約数列:

[1, 3, 9, 17, 51, 153, 439, 1317, 3119, 3951, 7463, 9357, 22389, 28071, 53023, 67167, 159069, 477207, 1369241, 4107723, 12323169, 23277097, 69831291, 209493873]

約数ペア:

[(1, 209493873), (3, 69831291), (9, 23277097), (17, 12323169), (51, 4107723), (153, 1369241), (439, 477207), (1317, 159069), (3119, 67167), (3951, 53023), (7463, 28071), (9357, 22389)]