31989831

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1487}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 43711488

約数和(自身を除く): 11721657

約数列:

[1, 3, 71, 101, 213, 303, 1487, 4461, 7171, 21513, 105577, 150187, 316731, 450561, 10663277, 31989831]

約数ペア:

[(1, 31989831), (3, 10663277), (71, 450561), (101, 316731), (213, 150187), (303, 105577), (1487, 21513), (4461, 7171)]