191913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 16

約数和(自身を含む): 279936

約数和(自身を除く): 88023

約数列:

[1, 3, 17, 51, 53, 71, 159, 213, 901, 1207, 2703, 3621, 3763, 11289, 63971, 191913]

約数ペア:

[(1, 191913), (3, 63971), (17, 11289), (51, 3763), (53, 3621), (71, 2703), (159, 1207), (213, 901)]