28189749

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10093}}^1$

素因数の和:10129

約数の個数: 24

約数和(自身を含む): 46028640

約数和(自身を除く): 17838891

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10093, 30279, 70651, 191767, 211953, 494557, 575301, 1342369, 1483671, 4027107, 9396583, 28189749]

約数ペア:

[(1, 28189749), (3, 9396583), (7, 4027107), (19, 1483671), (21, 1342369), (49, 575301), (57, 494557), (133, 211953), (147, 191767), (399, 70651), (931, 30279), (2793, 10093)]