1202445

素因数分解:

$3^4\times 5^1\times {\mathrm{2969}}^1$

素因数の和:2986

約数の個数: 20

約数和(自身を含む): 2156220

約数和(自身を除く): 953775

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2969, 8907, 14845, 26721, 44535, 80163, 133605, 240489, 400815, 1202445]

約数ペア:

[(1, 1202445), (3, 400815), (5, 240489), (9, 133605), (15, 80163), (27, 44535), (45, 26721), (81, 14845), (135, 8907), (405, 2969)]