31381881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7789}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 44870400

約数和(自身を除く): 13488519

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 7789, 23367, 132413, 397239, 615331, 1845993, 10460627, 31381881]

約数ペア:

[(1, 31381881), (3, 10460627), (17, 1845993), (51, 615331), (79, 397239), (237, 132413), (1343, 23367), (4029, 7789)]