87474771

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 136936800

約数和(自身を除く): 49462029

約数列:

[1, 3, 9, 37, 41, 43, 111, 123, 129, 149, 333, 369, 387, 447, 1341, 1517, 1591, 1763, 4551, 4773, 5289, 5513, 6109, 6407, 13653, 14319, 15867, 16539, 18327, 19221, 49617, 54981, 57663, 65231, 195693, 226033, 237059, 262687, 587079, 678099, 711177, 788061, 2034297, 2133531, 2364183, 9719419, 29158257, 87474771]

約数ペア:

[(1, 87474771), (3, 29158257), (9, 9719419), (37, 2364183), (41, 2133531), (43, 2034297), (111, 788061), (123, 711177), (129, 678099), (149, 587079), (333, 262687), (369, 237059), (387, 226033), (447, 195693), (1341, 65231), (1517, 57663), (1591, 54981), (1763, 49617), (4551, 19221), (4773, 18327), (5289, 16539), (5513, 15867), (6109, 14319), (6407, 13653)]