207249

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 115311

約数列:

[1, 3, 7, 21, 71, 139, 213, 417, 497, 973, 1491, 2919, 9869, 29607, 69083, 207249]

約数ペア:

[(1, 207249), (3, 69083), (7, 29607), (21, 9869), (71, 2919), (139, 1491), (213, 973), (417, 497)]