7980735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 15561216

約数和(自身を除く): 7580481

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 263, 289, 357, 595, 789, 867, 1315, 1445, 1785, 1841, 2023, 3945, 4335, 4471, 5523, 6069, 9205, 10115, 13413, 22355, 27615, 30345, 31297, 67065, 76007, 93891, 156485, 228021, 380035, 469455, 532049, 1140105, 1596147, 2660245, 7980735]

約数ペア:

[(1, 7980735), (3, 2660245), (5, 1596147), (7, 1140105), (15, 532049), (17, 469455), (21, 380035), (35, 228021), (51, 156485), (85, 93891), (105, 76007), (119, 67065), (255, 31297), (263, 30345), (289, 27615), (357, 22355), (595, 13413), (789, 10115), (867, 9205), (1315, 6069), (1445, 5523), (1785, 4471), (1841, 4335), (2023, 3945)]