15389505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20117}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 28245672

約数和(自身を除く): 12856167

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20117, 60351, 100585, 181053, 301755, 341989, 905265, 1025967, 1709945, 3077901, 5129835, 15389505]

約数ペア:

[(1, 15389505), (3, 5129835), (5, 3077901), (9, 1709945), (15, 1025967), (17, 905265), (45, 341989), (51, 301755), (85, 181053), (153, 100585), (255, 60351), (765, 20117)]