40550139

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 71751680

約数和(自身を除く): 31201541

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 567, 651, 769, 837, 1701, 1953, 2307, 2511, 5383, 5859, 6921, 7533, 16149, 17577, 20763, 23839, 48447, 52731, 62289, 71517, 145341, 166873, 186867, 214551, 436023, 500619, 643653, 1308069, 1501857, 1930959, 4505571, 5792877, 13516713, 40550139]

約数ペア:

[(1, 40550139), (3, 13516713), (7, 5792877), (9, 4505571), (21, 1930959), (27, 1501857), (31, 1308069), (63, 643653), (81, 500619), (93, 436023), (189, 214551), (217, 186867), (243, 166873), (279, 145341), (567, 71517), (651, 62289), (769, 52731), (837, 48447), (1701, 23839), (1953, 20763), (2307, 17577), (2511, 16149), (5383, 7533), (5859, 6921)]