123967647

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3643}}^1$

素因数の和:3867

約数の個数: 24

約数和(自身を含む): 189488000

約数和(自身を除く): 65520353

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 3643, 3781, 10929, 11343, 32787, 34029, 69217, 207651, 622953, 724957, 2174871, 6524613, 13774183, 41322549, 123967647]

約数ペア:

[(1, 123967647), (3, 41322549), (9, 13774183), (19, 6524613), (57, 2174871), (171, 724957), (199, 622953), (597, 207651), (1791, 69217), (3643, 34029), (3781, 32787), (10929, 11343)]