11975607

素因数分解:

$3^4\times 7^1\times {\mathrm{21121}}^1$

素因数の和:21140

約数の個数: 20

約数和(自身を含む): 20446096

約数和(自身を除く): 8470489

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21121, 63363, 147847, 190089, 443541, 570267, 1330623, 1710801, 3991869, 11975607]

約数ペア:

[(1, 11975607), (3, 3991869), (7, 1710801), (9, 1330623), (21, 570267), (27, 443541), (63, 190089), (81, 147847), (189, 63363), (567, 21121)]