12491787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 21993984

約数和(自身を除く): 9502197

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3181, 3927, 9543, 22267, 34991, 54077, 66801, 104973, 162231, 244937, 378539, 594847, 734811, 1135617, 1784541, 4163929, 12491787]

約数ペア:

[(1, 12491787), (3, 4163929), (7, 1784541), (11, 1135617), (17, 734811), (21, 594847), (33, 378539), (51, 244937), (77, 162231), (119, 104973), (187, 66801), (231, 54077), (357, 34991), (561, 22267), (1309, 9543), (3181, 3927)]