77661855

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 67490145

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 83, 87, 135, 145, 239, 249, 261, 415, 435, 717, 747, 783, 1195, 1245, 1305, 2151, 2241, 2407, 3585, 3735, 3915, 6453, 6931, 7221, 10755, 11205, 12035, 19837, 20793, 21663, 32265, 34655, 36105, 59511, 62379, 64989, 99185, 103965, 108315, 178533, 187137, 297555, 311895, 324945, 535599, 575273, 892665, 935685, 1725819, 2677995, 2876365, 5177457, 8629095, 15532371, 25887285, 77661855]

約数ペア:

[(1, 77661855), (3, 25887285), (5, 15532371), (9, 8629095), (15, 5177457), (27, 2876365), (29, 2677995), (45, 1725819), (83, 935685), (87, 892665), (135, 575273), (145, 535599), (239, 324945), (249, 311895), (261, 297555), (415, 187137), (435, 178533), (717, 108315), (747, 103965), (783, 99185), (1195, 64989), (1245, 62379), (1305, 59511), (2151, 36105), (2241, 34655), (2407, 32265), (3585, 21663), (3735, 20793), (3915, 19837), (6453, 12035), (6931, 11205), (7221, 10755)]