42182721

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 71751680

約数和(自身を除く): 29568959

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 727, 921, 2149, 2181, 2763, 5089, 6447, 6543, 8289, 15267, 19341, 19629, 45801, 58023, 137403, 223189, 669567, 1562323, 2008701, 4686969, 6026103, 14060907, 42182721]

約数ペア:

[(1, 42182721), (3, 14060907), (7, 6026103), (9, 4686969), (21, 2008701), (27, 1562323), (63, 669567), (189, 223189), (307, 137403), (727, 58023), (921, 45801), (2149, 19629), (2181, 19341), (2763, 15267), (5089, 8289), (6447, 6543)]