16784366985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{309019}}^1$

素因数の和:309118

約数の個数: 48

約数和(自身を含む): 31238213760

約数和(自身を除く): 14453846775

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 6035, 10863, 18105, 54315, 309019, 927057, 1545095, 2781171, 4635285, 5253323, 13905855, 15759969, 21940349, 26266615, 47279907, 65821047, 78799845, 109701745, 197463141, 236399535, 329105235, 372985933, 987315705, 1118957799, 1864929665, 3356873397, 5594788995, 16784366985]

約数ペア:

[(1, 16784366985), (3, 5594788995), (5, 3356873397), (9, 1864929665), (15, 1118957799), (17, 987315705), (45, 372985933), (51, 329105235), (71, 236399535), (85, 197463141), (153, 109701745), (213, 78799845), (255, 65821047), (355, 47279907), (639, 26266615), (765, 21940349), (1065, 15759969), (1207, 13905855), (3195, 5253323), (3621, 4635285), (6035, 2781171), (10863, 1545095), (18105, 927057), (54315, 309019)]