27820179

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 44082720

約数和(自身を除く): 16262541

約数列:

[1, 3, 9, 23, 27, 69, 81, 109, 137, 207, 327, 411, 621, 981, 1233, 1863, 2507, 2943, 3151, 3699, 7521, 8829, 9453, 11097, 14933, 22563, 28359, 44799, 67689, 85077, 134397, 203067, 255231, 343459, 403191, 1030377, 1209573, 3091131, 9273393, 27820179]

約数ペア:

[(1, 27820179), (3, 9273393), (9, 3091131), (23, 1209573), (27, 1030377), (69, 403191), (81, 343459), (109, 255231), (137, 203067), (207, 134397), (327, 85077), (411, 67689), (621, 44799), (981, 28359), (1233, 22563), (1863, 14933), (2507, 11097), (2943, 9453), (3151, 8829), (3699, 7521)]