7840395

素因数分解:

$3^8\times 5^1\times {\mathrm{239}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 14171040

約数和(自身を除く): 6330645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 239, 243, 405, 717, 729, 1195, 1215, 2151, 2187, 3585, 3645, 6453, 6561, 10755, 10935, 19359, 32265, 32805, 58077, 96795, 174231, 290385, 522693, 871155, 1568079, 2613465, 7840395]

約数ペア:

[(1, 7840395), (3, 2613465), (5, 1568079), (9, 871155), (15, 522693), (27, 290385), (45, 174231), (81, 96795), (135, 58077), (239, 32805), (243, 32265), (405, 19359), (717, 10935), (729, 10755), (1195, 6561), (1215, 6453), (2151, 3645), (2187, 3585)]