128212821

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{431693}}^1$

素因数の和:431713

約数の個数: 16

約数和(自身を含む): 207213120

約数和(自身を除く): 79000299

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 431693, 1295079, 3885237, 4748623, 11655711, 14245869, 42737607, 128212821]

約数ペア:

[(1, 128212821), (3, 42737607), (9, 14245869), (11, 11655711), (27, 4748623), (33, 3885237), (99, 1295079), (297, 431693)]