15889815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20771}}^1$

素因数の和:20799

約数の個数: 24

約数和(自身を含む): 29163888

約数和(自身を除く): 13274073

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20771, 62313, 103855, 186939, 311565, 353107, 934695, 1059321, 1765535, 3177963, 5296605, 15889815]

約数ペア:

[(1, 15889815), (3, 5296605), (5, 3177963), (9, 1765535), (15, 1059321), (17, 934695), (45, 353107), (51, 311565), (85, 186939), (153, 103855), (255, 62313), (765, 20771)]