27975521

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 6454303

約数列:

[1, 7, 23, 49, 103, 161, 241, 721, 1127, 1687, 2369, 5047, 5543, 11809, 16583, 24823, 38801, 116081, 173761, 271607, 570929, 1216327, 3996503, 27975521]

約数ペア:

[(1, 27975521), (7, 3996503), (23, 1216327), (49, 570929), (103, 271607), (161, 173761), (241, 116081), (721, 38801), (1127, 24823), (1687, 16583), (2369, 11809), (5047, 5543)]