197982009

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 299980800

約数和(自身を除く): 101998791

約数列:

[1, 3, 9, 27, 71, 139, 213, 417, 639, 743, 1251, 1917, 2229, 3753, 6687, 9869, 20061, 29607, 52753, 88821, 103277, 158259, 266463, 309831, 474777, 929493, 1424331, 2788479, 7332667, 21998001, 65994003, 197982009]

約数ペア:

[(1, 197982009), (3, 65994003), (9, 21998001), (27, 7332667), (71, 2788479), (139, 1424331), (213, 929493), (417, 474777), (639, 309831), (743, 266463), (1251, 158259), (1917, 103277), (2229, 88821), (3753, 52753), (6687, 29607), (9869, 20061)]