21888333

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 13276467

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1109, 1161, 2193, 3327, 6579, 9981, 18853, 19737, 29943, 47687, 56559, 143061, 169677, 429183, 509031, 810679, 1287549, 2432037, 7296111, 21888333]

約数ペア:

[(1, 21888333), (3, 7296111), (9, 2432037), (17, 1287549), (27, 810679), (43, 509031), (51, 429183), (129, 169677), (153, 143061), (387, 56559), (459, 47687), (731, 29943), (1109, 19737), (1161, 18853), (2193, 9981), (3327, 6579)]