12782739

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 17563392

約数和(自身を除く): 4780653

約数列:

[1, 3, 43, 129, 197, 503, 591, 1509, 8471, 21629, 25413, 64887, 99091, 297273, 4260913, 12782739]

約数ペア:

[(1, 12782739), (3, 4260913), (43, 297273), (129, 99091), (197, 64887), (503, 25413), (591, 21629), (1509, 8471)]