16668741

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 6071739

約数列:

[1, 3, 71, 139, 213, 417, 563, 1689, 9869, 29607, 39973, 78257, 119919, 234771, 5556247, 16668741]

約数ペア:

[(1, 16668741), (3, 5556247), (71, 234771), (139, 119919), (213, 78257), (417, 39973), (563, 29607), (1689, 9869)]