2878821

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:388

約数の個数: 28

約数和(自身を含む): 4721760

約数和(自身を除く): 1842939

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 359, 729, 891, 1077, 2673, 3231, 3949, 8019, 9693, 11847, 29079, 35541, 87237, 106623, 261711, 319869, 959607, 2878821]

約数ペア:

[(1, 2878821), (3, 959607), (9, 319869), (11, 261711), (27, 106623), (33, 87237), (81, 35541), (99, 29079), (243, 11847), (297, 9693), (359, 8019), (729, 3949), (891, 3231), (1077, 2673)]