69291243

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2304

約数の個数: 36

約数和(自身を含む): 118121328

約数和(自身を除く): 48830085

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 2213, 3479, 4473, 6639, 10437, 15491, 19917, 31311, 46473, 108437, 139419, 157123, 325311, 471369, 975933, 1099861, 1414107, 3299583, 7699027, 9898749, 23097081, 69291243]

約数ペア:

[(1, 69291243), (3, 23097081), (7, 9898749), (9, 7699027), (21, 3299583), (49, 1414107), (63, 1099861), (71, 975933), (147, 471369), (213, 325311), (441, 157123), (497, 139419), (639, 108437), (1491, 46473), (2213, 31311), (3479, 19917), (4473, 15491), (6639, 10437)]