209929121271

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{517091}}^1$

素因数の和:517747

約数の個数: 24

約数和(自身を含む): 307607688960

約数和(自身を除く): 97678567689

約数列:

[1, 3, 9, 79, 237, 571, 711, 1713, 5139, 45109, 135327, 405981, 517091, 1551273, 4653819, 40850189, 122550567, 295258961, 367651701, 885776883, 2657330649, 23325457919, 69976373757, 209929121271]

約数ペア:

[(1, 209929121271), (3, 69976373757), (9, 23325457919), (79, 2657330649), (237, 885776883), (571, 367651701), (711, 295258961), (1713, 122550567), (5139, 40850189), (45109, 4653819), (135327, 1551273), (405981, 517091)]