26640693

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 16025931

約数列:

[1, 3, 9, 23, 41, 43, 69, 73, 123, 129, 207, 219, 369, 387, 657, 943, 989, 1679, 1763, 2829, 2967, 2993, 3139, 5037, 5289, 8487, 8901, 8979, 9417, 15111, 15867, 26937, 28251, 40549, 68839, 72197, 121647, 128699, 206517, 216591, 364941, 386097, 619551, 649773, 1158291, 2960077, 8880231, 26640693]

約数ペア:

[(1, 26640693), (3, 8880231), (9, 2960077), (23, 1158291), (41, 649773), (43, 619551), (69, 386097), (73, 364941), (123, 216591), (129, 206517), (207, 128699), (219, 121647), (369, 72197), (387, 68839), (657, 40549), (943, 28251), (989, 26937), (1679, 15867), (1763, 15111), (2829, 9417), (2967, 8979), (2993, 8901), (3139, 8487), (5037, 5289)]