3989979

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 7062528

約数和(自身を除く): 3072549

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 227, 279, 567, 651, 681, 837, 1589, 1953, 2043, 2511, 4767, 5859, 6129, 7037, 14301, 17577, 18387, 21111, 42903, 49259, 63333, 128709, 147777, 189999, 443331, 569997, 1329993, 3989979]

約数ペア:

[(1, 3989979), (3, 1329993), (7, 569997), (9, 443331), (21, 189999), (27, 147777), (31, 128709), (63, 63333), (81, 49259), (93, 42903), (189, 21111), (217, 18387), (227, 17577), (279, 14301), (567, 7037), (651, 6129), (681, 5859), (837, 4767), (1589, 2511), (1953, 2043)]