4156839

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 6805040

約数和(自身を除く): 2648201

約数列:

[1, 3, 9, 19, 27, 37, 57, 73, 81, 111, 171, 219, 333, 513, 657, 703, 999, 1387, 1539, 1971, 2109, 2701, 2997, 4161, 5913, 6327, 8103, 12483, 18981, 24309, 37449, 51319, 56943, 72927, 112347, 153957, 218781, 461871, 1385613, 4156839]

約数ペア:

[(1, 4156839), (3, 1385613), (9, 461871), (19, 218781), (27, 153957), (37, 112347), (57, 72927), (73, 56943), (81, 51319), (111, 37449), (171, 24309), (219, 18981), (333, 12483), (513, 8103), (657, 6327), (703, 5913), (999, 4161), (1387, 2997), (1539, 2701), (1971, 2109)]