12740343

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 24

約数和(自身を含む): 21559680

約数和(自身を除く): 8819337

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7879, 23637, 55153, 86669, 165459, 260007, 386071, 606683, 1158213, 1820049, 4246781, 12740343]

約数ペア:

[(1, 12740343), (3, 4246781), (7, 1820049), (11, 1158213), (21, 606683), (33, 386071), (49, 260007), (77, 165459), (147, 86669), (231, 55153), (539, 23637), (1617, 7879)]