78957963

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 139836960

約数和(自身を除く): 60878997

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 441, 777, 999, 1323, 1613, 1813, 2331, 4839, 5439, 6993, 11291, 14517, 16317, 33873, 43551, 48951, 59681, 79037, 101619, 179043, 237111, 304857, 417767, 537129, 711333, 1253301, 1611387, 2133999, 2924369, 3759903, 8773107, 11279709, 26319321, 78957963]

約数ペア:

[(1, 78957963), (3, 26319321), (7, 11279709), (9, 8773107), (21, 3759903), (27, 2924369), (37, 2133999), (49, 1611387), (63, 1253301), (111, 711333), (147, 537129), (189, 417767), (259, 304857), (333, 237111), (441, 179043), (777, 101619), (999, 79037), (1323, 59681), (1613, 48951), (1813, 43551), (2331, 33873), (4839, 16317), (5439, 14517), (6993, 11291)]