20160454209

素因数分解:

$3^1\times 7^2\times {\mathrm{1663}}^1\times {\mathrm{82469}}^1$

素因数の和:84149

約数の個数: 24

約数和(自身を含む): 31288458240

約数和(自身を除く): 11128004031

約数列:

[1, 3, 7, 21, 49, 147, 1663, 4989, 11641, 34923, 81487, 82469, 244461, 247407, 577283, 1731849, 4040981, 12122943, 137145947, 411437841, 960021629, 2880064887, 6720151403, 20160454209]

約数ペア:

[(1, 20160454209), (3, 6720151403), (7, 2880064887), (21, 960021629), (49, 411437841), (147, 137145947), (1663, 12122943), (4989, 4040981), (11641, 1731849), (34923, 577283), (81487, 247407), (82469, 244461)]