121215105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 232502400

約数和(自身を除く): 111287295

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2343, 3195, 3449, 3905, 7029, 10347, 11715, 17245, 31041, 35145, 37939, 51735, 113817, 155205, 189695, 244879, 341451, 569085, 734637, 1224395, 1707255, 2203911, 2693669, 3673185, 8081007, 11019555, 13468345, 24243021, 40405035, 121215105]

約数ペア:

[(1, 121215105), (3, 40405035), (5, 24243021), (9, 13468345), (11, 11019555), (15, 8081007), (33, 3673185), (45, 2693669), (55, 2203911), (71, 1707255), (99, 1224395), (165, 734637), (213, 569085), (355, 341451), (495, 244879), (639, 189695), (781, 155205), (1065, 113817), (2343, 51735), (3195, 37939), (3449, 35145), (3905, 31041), (7029, 17245), (10347, 11715)]