16390125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 31320432

約数和(自身を除く): 14930307

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 857, 1125, 1275, 2125, 2571, 3825, 4285, 6375, 7713, 12855, 14569, 19125, 21425, 38565, 43707, 64275, 72845, 107125, 131121, 192825, 218535, 321375, 364225, 655605, 964125, 1092675, 1821125, 3278025, 5463375, 16390125]

約数ペア:

[(1, 16390125), (3, 5463375), (5, 3278025), (9, 1821125), (15, 1092675), (17, 964125), (25, 655605), (45, 364225), (51, 321375), (75, 218535), (85, 192825), (125, 131121), (153, 107125), (225, 72845), (255, 64275), (375, 43707), (425, 38565), (765, 21425), (857, 19125), (1125, 14569), (1275, 12855), (2125, 7713), (2571, 6375), (3825, 4285)]