28491963

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 42332160

約数和(自身を除く): 13840197

約数列:

[1, 3, 19, 23, 57, 69, 103, 211, 309, 437, 633, 1311, 1957, 2369, 4009, 4853, 5871, 7107, 12027, 14559, 21733, 45011, 65199, 92207, 135033, 276621, 412927, 499859, 1238781, 1499577, 9497321, 28491963]

約数ペア:

[(1, 28491963), (3, 9497321), (19, 1499577), (23, 1238781), (57, 499859), (69, 412927), (103, 276621), (211, 135033), (309, 92207), (437, 65199), (633, 45011), (1311, 21733), (1957, 14559), (2369, 12027), (4009, 7107), (4853, 5871)]