2648961

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 4605120

約数和(自身を除く): 1956159

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2213, 6639, 15491, 19917, 42047, 46473, 126141, 139419, 294329, 378423, 882987, 2648961]

約数ペア:

[(1, 2648961), (3, 882987), (7, 378423), (9, 294329), (19, 139419), (21, 126141), (57, 46473), (63, 42047), (133, 19917), (171, 15491), (399, 6639), (1197, 2213)]