28739319

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17709321

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1151, 1189, 3453, 3567, 8057, 8323, 24171, 24969, 33379, 47191, 100137, 141573, 233653, 330337, 700959, 991011, 1368539, 4105617, 9579773, 28739319]

約数ペア:

[(1, 28739319), (3, 9579773), (7, 4105617), (21, 1368539), (29, 991011), (41, 700959), (87, 330337), (123, 233653), (203, 141573), (287, 100137), (609, 47191), (861, 33379), (1151, 24969), (1189, 24171), (3453, 8323), (3567, 8057)]