28368879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 47579136

約数和(自身を除く): 19210257

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 889, 967, 1397, 2667, 2901, 4191, 6769, 9779, 10637, 20307, 29337, 31911, 74459, 122809, 223377, 368427, 859663, 1350899, 2578989, 4052697, 9456293, 28368879]

約数ペア:

[(1, 28368879), (3, 9456293), (7, 4052697), (11, 2578989), (21, 1350899), (33, 859663), (77, 368427), (127, 223377), (231, 122809), (381, 74459), (889, 31911), (967, 29337), (1397, 20307), (2667, 10637), (2901, 9779), (4191, 6769)]