90117531

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20147}}^1$

素因数の和:20231

約数の個数: 24

約数和(自身を含む): 150868224

約数和(自身を除く): 60750693

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 20147, 60441, 141029, 181323, 423087, 1269261, 1430437, 4291311, 10013059, 12873933, 30039177, 90117531]

約数ペア:

[(1, 90117531), (3, 30039177), (7, 12873933), (9, 10013059), (21, 4291311), (63, 1430437), (71, 1269261), (213, 423087), (497, 181323), (639, 141029), (1491, 60441), (4473, 20147)]