2195151

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3461040

約数和(自身を除く): 1265889

約数列:

[1, 3, 7, 21, 49, 109, 137, 147, 327, 411, 763, 959, 2289, 2877, 5341, 6713, 14933, 16023, 20139, 44799, 104531, 313593, 731717, 2195151]

約数ペア:

[(1, 2195151), (3, 731717), (7, 313593), (21, 104531), (49, 44799), (109, 20139), (137, 16023), (147, 14933), (327, 6713), (411, 5341), (763, 2877), (959, 2289)]