1285121439

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{304459}}^1$

素因数の和:304539

約数の個数: 24

約数和(自身を含む): 2153141120

約数和(自身を除く): 868019681

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 304459, 913377, 2131213, 2740131, 6393639, 19180917, 20398753, 61196259, 142791271, 183588777, 428373813, 1285121439]

約数ペア:

[(1, 1285121439), (3, 428373813), (7, 183588777), (9, 142791271), (21, 61196259), (63, 20398753), (67, 19180917), (201, 6393639), (469, 2740131), (603, 2131213), (1407, 913377), (4221, 304459)]