28222887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 20806233

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 231, 319, 363, 383, 609, 847, 957, 1149, 2233, 2541, 2681, 3509, 4213, 6699, 8043, 10527, 11107, 12639, 24563, 29491, 33321, 46343, 73689, 77749, 88473, 122177, 139029, 233247, 324401, 366531, 855239, 973203, 1343947, 2565717, 4031841, 9407629, 28222887]

約数ペア:

[(1, 28222887), (3, 9407629), (7, 4031841), (11, 2565717), (21, 1343947), (29, 973203), (33, 855239), (77, 366531), (87, 324401), (121, 233247), (203, 139029), (231, 122177), (319, 88473), (363, 77749), (383, 73689), (609, 46343), (847, 33321), (957, 29491), (1149, 24563), (2233, 12639), (2541, 11107), (2681, 10527), (3509, 8043), (4213, 6699)]