16986825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4441}}^1$

素因数の和:4474

約数の個数: 36

約数和(自身を含む): 32222268

約数和(自身を除く): 15235443

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 4441, 13323, 22205, 39969, 66615, 75497, 111025, 199845, 226491, 333075, 377485, 679473, 999225, 1132455, 1887425, 3397365, 5662275, 16986825]

約数ペア:

[(1, 16986825), (3, 5662275), (5, 3397365), (9, 1887425), (15, 1132455), (17, 999225), (25, 679473), (45, 377485), (51, 333075), (75, 226491), (85, 199845), (153, 111025), (225, 75497), (255, 66615), (425, 39969), (765, 22205), (1275, 13323), (3825, 4441)]