27972189

素因数分解:

$3^3\times 7^2\times {\mathrm{21143}}^1$

素因数の和:21166

約数の個数: 24

約数和(自身を含む): 48208320

約数和(自身を除く): 20236131

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21143, 63429, 148001, 190287, 444003, 570861, 1036007, 1332009, 3108021, 3996027, 9324063, 27972189]

約数ペア:

[(1, 27972189), (3, 9324063), (7, 3996027), (9, 3108021), (21, 1332009), (27, 1036007), (49, 570861), (63, 444003), (147, 190287), (189, 148001), (441, 63429), (1323, 21143)]