331365727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{138821}}^1$

素因数の和:138870

約数の個数: 16

約数和(自身を含む): 426461184

約数和(自身を除く): 95095457

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 138821, 971747, 1527031, 4303451, 10689217, 30124157, 47337961, 331365727]

約数ペア:

[(1, 331365727), (7, 47337961), (11, 30124157), (31, 10689217), (77, 4303451), (217, 1527031), (341, 971747), (2387, 138821)]