51978969

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7433}}^1$

素因数の和:7486

約数の個数: 32

約数和(自身を含む): 90397440

約数和(自身を除く): 38418471

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 7433, 22299, 52031, 66897, 156093, 200691, 275021, 468279, 825063, 1404837, 1925147, 2475189, 5775441, 7425567, 17326323, 51978969]

約数ペア:

[(1, 51978969), (3, 17326323), (7, 7425567), (9, 5775441), (21, 2475189), (27, 1925147), (37, 1404837), (63, 825063), (111, 468279), (189, 275021), (259, 200691), (333, 156093), (777, 66897), (999, 52031), (2331, 22299), (6993, 7433)]