16531371

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:920

約数の個数: 20

約数和(自身を含む): 24805000

約数和(自身を除く): 8273629

約数列:

[1, 3, 9, 27, 81, 409, 499, 1227, 1497, 3681, 4491, 11043, 13473, 33129, 40419, 204091, 612273, 1836819, 5510457, 16531371]

約数ペア:

[(1, 16531371), (3, 5510457), (9, 1836819), (27, 612273), (81, 204091), (409, 40419), (499, 33129), (1227, 13473), (1497, 11043), (3681, 4491)]