28789257

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 46529280

約数和(自身を除く): 17740023

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1153, 1189, 3459, 3567, 8071, 8323, 24213, 24969, 33437, 47273, 100311, 141819, 234059, 330911, 702177, 992733, 1370917, 4112751, 9596419, 28789257]

約数ペア:

[(1, 28789257), (3, 9596419), (7, 4112751), (21, 1370917), (29, 992733), (41, 702177), (87, 330911), (123, 234059), (203, 141819), (287, 100311), (609, 47273), (861, 33437), (1153, 24969), (1189, 24213), (3459, 8323), (3567, 8071)]