391065021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{21227}}^1$

素因数の和:21345

約数の個数: 24

約数和(自身を含む): 596082240

約数和(自身を除く): 205017219

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 2047, 6141, 18423, 21227, 63681, 191043, 488221, 1464663, 1889203, 4393989, 5667609, 17002827, 43451669, 130355007, 391065021]

約数ペア:

[(1, 391065021), (3, 130355007), (9, 43451669), (23, 17002827), (69, 5667609), (89, 4393989), (207, 1889203), (267, 1464663), (801, 488221), (2047, 191043), (6141, 63681), (18423, 21227)]