1206639

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 2021760

約数和(自身を除く): 815121

約数列:

[1, 3, 7, 9, 21, 63, 107, 179, 321, 537, 749, 963, 1253, 1611, 2247, 3759, 6741, 11277, 19153, 57459, 134071, 172377, 402213, 1206639]

約数ペア:

[(1, 1206639), (3, 402213), (7, 172377), (9, 134071), (21, 57459), (63, 19153), (107, 11277), (179, 6741), (321, 3759), (537, 2247), (749, 1611), (963, 1253)]