28680399

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32189}}^1$

素因数の和:32212

約数の個数: 20

約数和(自身を含む): 46739880

約数和(自身を除く): 18059481

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32189, 96567, 289701, 354079, 869103, 1062237, 2607309, 3186711, 9560133, 28680399]

約数ペア:

[(1, 28680399), (3, 9560133), (9, 3186711), (11, 2607309), (27, 1062237), (33, 869103), (81, 354079), (99, 289701), (297, 96567), (891, 32189)]