29807919

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21647}}^1$

素因数の和:21676

約数の個数: 20

約数和(自身を含む): 47149344

約数和(自身を除く): 17341425

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21647, 64941, 194823, 367999, 584469, 1103997, 1753407, 3311991, 9935973, 29807919]

約数ペア:

[(1, 29807919), (3, 9935973), (9, 3311991), (17, 1753407), (27, 1103997), (51, 584469), (81, 367999), (153, 194823), (459, 64941), (1377, 21647)]