2021906955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{5981}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 3344560128

約数和(自身を除く): 1322653173

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 727, 2181, 3635, 5981, 10905, 17943, 22537, 29905, 67611, 89715, 112685, 185411, 338055, 556233, 927055, 2781165, 4348187, 13044561, 21740935, 65222805, 134793797, 404381391, 673968985, 2021906955]

約数ペア:

[(1, 2021906955), (3, 673968985), (5, 404381391), (15, 134793797), (31, 65222805), (93, 21740935), (155, 13044561), (465, 4348187), (727, 2781165), (2181, 927055), (3635, 556233), (5981, 338055), (10905, 185411), (17943, 112685), (22537, 89715), (29905, 67611)]