1971795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 3663360

約数和(自身を除く): 1691565

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 211, 267, 445, 623, 633, 1055, 1335, 1477, 1869, 3115, 3165, 4431, 7385, 9345, 18779, 22155, 56337, 93895, 131453, 281685, 394359, 657265, 1971795]

約数ペア:

[(1, 1971795), (3, 657265), (5, 394359), (7, 281685), (15, 131453), (21, 93895), (35, 56337), (89, 22155), (105, 18779), (211, 9345), (267, 7385), (445, 4431), (623, 3165), (633, 3115), (1055, 1869), (1335, 1477)]