208155519

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 355459104

約数和(自身を除く): 147303585

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 197, 429, 591, 821, 1287, 1773, 2167, 2463, 2561, 6501, 7389, 7683, 9031, 10673, 19503, 23049, 27093, 28171, 32019, 81279, 84513, 96057, 117403, 161737, 253539, 352209, 485211, 1056627, 1455633, 1779107, 2102581, 5337321, 6307743, 16011963, 18923229, 23128391, 69385173, 208155519]

約数ペア:

[(1, 208155519), (3, 69385173), (9, 23128391), (11, 18923229), (13, 16011963), (33, 6307743), (39, 5337321), (99, 2102581), (117, 1779107), (143, 1455633), (197, 1056627), (429, 485211), (591, 352209), (821, 253539), (1287, 161737), (1773, 117403), (2167, 96057), (2463, 84513), (2561, 81279), (6501, 32019), (7389, 28171), (7683, 27093), (9031, 23049), (10673, 19503)]