78629805

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2437}}^1$

素因数の和:2690

約数の個数: 32

約数和(自身を含む): 140428800

約数和(自身を除く): 61798995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 717, 1195, 2151, 2437, 3585, 6453, 7311, 10755, 12185, 21933, 32265, 36555, 65799, 109665, 328995, 582443, 1747329, 2912215, 5241987, 8736645, 15725961, 26209935, 78629805]

約数ペア:

[(1, 78629805), (3, 26209935), (5, 15725961), (9, 8736645), (15, 5241987), (27, 2912215), (45, 1747329), (135, 582443), (239, 328995), (717, 109665), (1195, 65799), (2151, 36555), (2437, 32265), (3585, 21933), (6453, 12185), (7311, 10755)]