12757815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 25586496

約数和(自身を除く): 12828681

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 401, 505, 707, 909, 1203, 1515, 2005, 2121, 2807, 3535, 3609, 4545, 6015, 6363, 8421, 10605, 14035, 18045, 25263, 31815, 40501, 42105, 121503, 126315, 202505, 283507, 364509, 607515, 850521, 1417535, 1822545, 2551563, 4252605, 12757815]

約数ペア:

[(1, 12757815), (3, 4252605), (5, 2551563), (7, 1822545), (9, 1417535), (15, 850521), (21, 607515), (35, 364509), (45, 283507), (63, 202505), (101, 126315), (105, 121503), (303, 42105), (315, 40501), (401, 31815), (505, 25263), (707, 18045), (909, 14035), (1203, 10605), (1515, 8421), (2005, 6363), (2121, 6015), (2807, 4545), (3535, 3609)]