9898749

素因数分解:

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

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 16578432

約数和(自身を除く): 6679683

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2213, 4473, 6639, 15491, 19917, 46473, 139419, 157123, 471369, 1099861, 1414107, 3299583, 9898749]

約数ペア:

[(1, 9898749), (3, 3299583), (7, 1414107), (9, 1099861), (21, 471369), (63, 157123), (71, 139419), (213, 46473), (497, 19917), (639, 15491), (1491, 6639), (2213, 4473)]