12911319

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 28

約数和(自身を含む): 19674000

約数和(自身を除く): 6762681

約数列:

[1, 3, 9, 27, 81, 89, 199, 243, 267, 597, 729, 801, 1791, 2403, 5373, 7209, 16119, 17711, 21627, 48357, 53133, 64881, 145071, 159399, 478197, 1434591, 4303773, 12911319]

約数ペア:

[(1, 12911319), (3, 4303773), (9, 1434591), (27, 478197), (81, 159399), (89, 145071), (199, 64881), (243, 53133), (267, 48357), (597, 21627), (729, 17711), (801, 16119), (1791, 7209), (2403, 5373)]