388655415

素因数分解:

$3^6\times 5^1\times {\mathrm{106627}}^1$

素因数の和:106650

約数の個数: 28

約数和(自身を含む): 699266424

約数和(自身を除く): 310611009

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 106627, 319881, 533135, 959643, 1599405, 2878929, 4798215, 8636787, 14394645, 25910361, 43183935, 77731083, 129551805, 388655415]

約数ペア:

[(1, 388655415), (3, 129551805), (5, 77731083), (9, 43183935), (15, 25910361), (27, 14394645), (45, 8636787), (81, 4798215), (135, 2878929), (243, 1599405), (405, 959643), (729, 533135), (1215, 319881), (3645, 106627)]