15215085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19889}}^1$

素因数の和:19917

約数の個数: 24

約数和(自身を含む): 27925560

約数和(自身を除く): 12710475

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 19889, 59667, 99445, 179001, 298335, 338113, 895005, 1014339, 1690565, 3043017, 5071695, 15215085]

約数ペア:

[(1, 15215085), (3, 5071695), (5, 3043017), (9, 1690565), (15, 1014339), (17, 895005), (45, 338113), (51, 298335), (85, 179001), (153, 99445), (255, 59667), (765, 19889)]