28779861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 46657728

約数和(自身を除く): 17877867

約数列:

[1, 3, 11, 17, 29, 33, 51, 61, 87, 183, 187, 319, 493, 561, 671, 841, 957, 1037, 1479, 1769, 2013, 2523, 3111, 5307, 5423, 9251, 11407, 14297, 16269, 19459, 27753, 30073, 34221, 42891, 51301, 58377, 90219, 153903, 157267, 330803, 471801, 564311, 872117, 992409, 1692933, 2616351, 9593287, 28779861]

約数ペア:

[(1, 28779861), (3, 9593287), (11, 2616351), (17, 1692933), (29, 992409), (33, 872117), (51, 564311), (61, 471801), (87, 330803), (183, 157267), (187, 153903), (319, 90219), (493, 58377), (561, 51301), (671, 42891), (841, 34221), (957, 30073), (1037, 27753), (1479, 19459), (1769, 16269), (2013, 14297), (2523, 11407), (3111, 9251), (5307, 5423)]