2517921

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2351}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 4402944

約数和(自身を除く): 1885023

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2351, 7053, 16457, 21159, 39967, 49371, 119901, 148113, 279769, 359703, 839307, 2517921]

約数ペア:

[(1, 2517921), (3, 839307), (7, 359703), (9, 279769), (17, 148113), (21, 119901), (51, 49371), (63, 39967), (119, 21159), (153, 16457), (357, 7053), (1071, 2351)]