15381855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20107}}^1$

素因数の和:20135

約数の個数: 24

約数和(自身を含む): 28231632

約数和(自身を除く): 12849777

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20107, 60321, 100535, 180963, 301605, 341819, 904815, 1025457, 1709095, 3076371, 5127285, 15381855]

約数ペア:

[(1, 15381855), (3, 5127285), (5, 3076371), (9, 1709095), (15, 1025457), (17, 904815), (45, 341819), (51, 301605), (85, 180963), (153, 100535), (255, 60321), (765, 20107)]