72405723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{17351}}^1$

素因数の和:17474

約数の個数: 16

約数和(自身を含む): 104944896

約数和(自身を除く): 32539173

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 17351, 52053, 225563, 676689, 1856557, 5569671, 24135241, 72405723]

約数ペア:

[(1, 72405723), (3, 24135241), (13, 5569671), (39, 1856557), (107, 676689), (321, 225563), (1391, 52053), (4173, 17351)]