15991923

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1021}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 22369536

約数和(自身を除く): 6377613

約数列:

[1, 3, 23, 69, 227, 681, 1021, 3063, 5221, 15663, 23483, 70449, 231767, 695301, 5330641, 15991923]

約数ペア:

[(1, 15991923), (3, 5330641), (23, 695301), (69, 231767), (227, 70449), (681, 23483), (1021, 15663), (3063, 5221)]