28779261

素因数分解:

$3^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{1319}}^1$

素因数の和:2368

約数の個数: 16

約数和(自身を含む): 43929600

約数和(自身を除く): 15150339

約数列:

[1, 3, 7, 21, 1039, 1319, 3117, 3957, 7273, 9233, 21819, 27699, 1370441, 4111323, 9593087, 28779261]

約数ペア:

[(1, 28779261), (3, 9593087), (7, 4111323), (21, 1370441), (1039, 27699), (1319, 21819), (3117, 9233), (3957, 7273)]