123671247

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{44279}}^1$

素因数の和:44315

約数の個数: 24

約数和(自身を含む): 201916800

約数和(自身を除く): 78245553

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 44279, 132837, 309953, 841301, 929859, 2169671, 2523903, 5889107, 6509013, 17667321, 41223749, 123671247]

約数ペア:

[(1, 123671247), (3, 41223749), (7, 17667321), (19, 6509013), (21, 5889107), (49, 2523903), (57, 2169671), (133, 929859), (147, 841301), (399, 309953), (931, 132837), (2793, 44279)]