7221249

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 12073152

約数和(自身を除く): 4851903

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1381, 1743, 4143, 5229, 9667, 12429, 29001, 87003, 114623, 343869, 802361, 1031607, 2407083, 7221249]

約数ペア:

[(1, 7221249), (3, 2407083), (7, 1031607), (9, 802361), (21, 343869), (63, 114623), (83, 87003), (249, 29001), (581, 12429), (747, 9667), (1381, 5229), (1743, 4143)]