405983241

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{4217}}^1$

素因数の和:4805

約数の個数: 24

約数和(自身を含む): 618527520

約数和(自身を除く): 212544279

約数列:

[1, 3, 9, 19, 57, 171, 563, 1689, 4217, 5067, 10697, 12651, 32091, 37953, 80123, 96273, 240369, 721107, 2374171, 7122513, 21367539, 45109249, 135327747, 405983241]

約数ペア:

[(1, 405983241), (3, 135327747), (9, 45109249), (19, 21367539), (57, 7122513), (171, 2374171), (563, 721107), (1689, 240369), (4217, 96273), (5067, 80123), (10697, 37953), (12651, 32091)]