1157205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 2156544

約数和(自身を除く): 999339

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 107, 309, 321, 515, 535, 721, 749, 1545, 1605, 2163, 2247, 3605, 3745, 10815, 11021, 11235, 33063, 55105, 77147, 165315, 231441, 385735, 1157205]

約数ペア:

[(1, 1157205), (3, 385735), (5, 231441), (7, 165315), (15, 77147), (21, 55105), (35, 33063), (103, 11235), (105, 11021), (107, 10815), (309, 3745), (321, 3605), (515, 2247), (535, 2163), (721, 1605), (749, 1545)]