2020621869

素因数分解:

$3^4\times 7^2\times {\mathrm{509101}}^1$

素因数の和:509127

約数の個数: 30

約数和(自身を含む): 3511276494

約数和(自身を除く): 1490654625

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 509101, 1527303, 3563707, 4581909, 10691121, 13745727, 24945949, 32073363, 41237181, 74837847, 96220089, 224513541, 288660267, 673540623, 2020621869]

約数ペア:

[(1, 2020621869), (3, 673540623), (7, 288660267), (9, 224513541), (21, 96220089), (27, 74837847), (49, 41237181), (63, 32073363), (81, 24945949), (147, 13745727), (189, 10691121), (441, 4581909), (567, 3563707), (1323, 1527303), (3969, 509101)]