207130785

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4523}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 343968768

約数和(自身を除く): 136837983

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 3053, 4523, 9159, 13569, 15265, 22615, 45795, 67845, 194489, 321133, 583467, 963399, 972445, 1605665, 2917335, 4816995, 13808719, 41426157, 69043595, 207130785]

約数ペア:

[(1, 207130785), (3, 69043595), (5, 41426157), (15, 13808719), (43, 4816995), (71, 2917335), (129, 1605665), (213, 972445), (215, 963399), (355, 583467), (645, 321133), (1065, 194489), (3053, 67845), (4523, 45795), (9159, 22615), (13569, 15265)]