67781853

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{1747}}^1$

素因数の和:2238

約数の個数: 20

約数和(自身を含む): 101523840

約数和(自身を除く): 33741987

約数列:

[1, 3, 9, 27, 81, 479, 1437, 1747, 4311, 5241, 12933, 15723, 38799, 47169, 141507, 836813, 2510439, 7531317, 22593951, 67781853]

約数ペア:

[(1, 67781853), (3, 22593951), (9, 7531317), (27, 2510439), (81, 836813), (479, 141507), (1437, 47169), (1747, 38799), (4311, 15723), (5241, 12933)]