65639889

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:721

約数の個数: 56

約数和(自身を含む): 118568640

約数和(自身を除く): 52928751

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 677, 729, 1197, 1539, 1701, 2031, 3591, 4617, 4739, 5103, 6093, 10773, 12863, 13851, 14217, 18279, 32319, 38589, 42651, 54837, 90041, 96957, 115767, 127953, 164511, 270123, 347301, 383859, 493533, 810369, 1041903, 1151577, 2431107, 3125709, 3454731, 7293321, 9377127, 21879963, 65639889]

約数ペア:

[(1, 65639889), (3, 21879963), (7, 9377127), (9, 7293321), (19, 3454731), (21, 3125709), (27, 2431107), (57, 1151577), (63, 1041903), (81, 810369), (133, 493533), (171, 383859), (189, 347301), (243, 270123), (399, 164511), (513, 127953), (567, 115767), (677, 96957), (729, 90041), (1197, 54837), (1539, 42651), (1701, 38589), (2031, 32319), (3591, 18279), (4617, 14217), (4739, 13851), (5103, 12863), (6093, 10773)]