861361155

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277411}}^1$

素因数の和:277448

約数の個数: 32

約数和(自身を含む): 1597893120

約数和(自身を除く): 736531965

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 277411, 832233, 1387055, 2496699, 4161165, 6380453, 7490097, 12483495, 19141359, 31902265, 37450485, 57424077, 95706795, 172272231, 287120385, 861361155]

約数ペア:

[(1, 861361155), (3, 287120385), (5, 172272231), (9, 95706795), (15, 57424077), (23, 37450485), (27, 31902265), (45, 19141359), (69, 12483495), (115, 7490097), (135, 6380453), (207, 4161165), (345, 2496699), (621, 1387055), (1035, 832233), (3105, 277411)]