2605239

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3207

約数の個数: 24

約数和(自身を含む): 4632992

約数和(自身を除く): 2027753

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 3181, 9543, 22267, 28629, 41353, 66801, 124059, 200403, 289471, 372177, 868413, 2605239]

約数ペア:

[(1, 2605239), (3, 868413), (7, 372177), (9, 289471), (13, 200403), (21, 124059), (39, 66801), (63, 41353), (91, 28629), (117, 22267), (273, 9543), (819, 3181)]