15920505

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8629}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 28271880

約数和(自身を除く): 12351375

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 8629, 25887, 43145, 77661, 129435, 353789, 388305, 1061367, 1768945, 3184101, 5306835, 15920505]

約数ペア:

[(1, 15920505), (3, 5306835), (5, 3184101), (9, 1768945), (15, 1061367), (41, 388305), (45, 353789), (123, 129435), (205, 77661), (369, 43145), (615, 25887), (1845, 8629)]