781052355

素因数分解:

$3^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{5303}}^1$

素因数の和:6408

約数の個数: 32

約数和(自身を含む): 1390072320

約数和(自身を除く): 609019965

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1091, 3273, 5303, 5455, 9819, 15909, 16365, 26515, 29457, 47727, 49095, 79545, 143181, 147285, 238635, 715905, 5785573, 17356719, 28927865, 52070157, 86783595, 156210471, 260350785, 781052355]

約数ペア:

[(1, 781052355), (3, 260350785), (5, 156210471), (9, 86783595), (15, 52070157), (27, 28927865), (45, 17356719), (135, 5785573), (1091, 715905), (3273, 238635), (5303, 147285), (5455, 143181), (9819, 79545), (15909, 49095), (16365, 47727), (26515, 29457)]