51349869

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 82032192

約数和(自身を除く): 30682323

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 641, 989, 1161, 1863, 1923, 2967, 3483, 5769, 8901, 14743, 17307, 26703, 27563, 44229, 51921, 80109, 82689, 132687, 248067, 398061, 633949, 744201, 1194183, 1901847, 2232603, 5705541, 17116623, 51349869]

約数ペア:

[(1, 51349869), (3, 17116623), (9, 5705541), (23, 2232603), (27, 1901847), (43, 1194183), (69, 744201), (81, 633949), (129, 398061), (207, 248067), (387, 132687), (621, 82689), (641, 80109), (989, 51921), (1161, 44229), (1863, 27563), (1923, 26703), (2967, 17307), (3483, 14743), (5769, 8901)]