197796087

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 305704080

約数和(自身を除く): 107907993

約数列:

[1, 3, 9, 27, 43, 81, 109, 129, 327, 387, 521, 981, 1161, 1563, 2943, 3483, 4687, 4689, 8829, 14061, 14067, 22403, 42183, 42201, 56789, 67209, 126549, 170367, 201627, 379647, 511101, 604881, 1533303, 1814643, 2441927, 4599909, 7325781, 21977343, 65932029, 197796087]

約数ペア:

[(1, 197796087), (3, 65932029), (9, 21977343), (27, 7325781), (43, 4599909), (81, 2441927), (109, 1814643), (129, 1533303), (327, 604881), (387, 511101), (521, 379647), (981, 201627), (1161, 170367), (1563, 126549), (2943, 67209), (3483, 56789), (4687, 42201), (4689, 42183), (8829, 22403), (14061, 14067)]