28153863

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3235

約数の個数: 24

約数和(自身を含む): 43435392

約数和(自身を除く): 15281529

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 3163, 8901, 9489, 28467, 72749, 136009, 218247, 408027, 654741, 1224081, 3128207, 9384621, 28153863]

約数ペア:

[(1, 28153863), (3, 9384621), (9, 3128207), (23, 1224081), (43, 654741), (69, 408027), (129, 218247), (207, 136009), (387, 72749), (989, 28467), (2967, 9489), (3163, 8901)]