80954559

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 140336768

約数和(自身を除く): 59382209

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 2131, 4221, 5427, 6393, 12663, 14917, 19179, 37989, 44751, 57537, 134253, 142777, 172611, 402759, 428331, 999439, 1208277, 1284993, 2998317, 3854979, 8994951, 11564937, 26984853, 80954559]

約数ペア:

[(1, 80954559), (3, 26984853), (7, 11564937), (9, 8994951), (21, 3854979), (27, 2998317), (63, 1284993), (67, 1208277), (81, 999439), (189, 428331), (201, 402759), (469, 172611), (567, 142777), (603, 134253), (1407, 57537), (1809, 44751), (2131, 37989), (4221, 19179), (5427, 14917), (6393, 12663)]