17557803

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:197

約数の個数: 30

約数和(自身を含む): 27221612

約数和(自身を除く): 9663809

約数列:

[1, 3, 9, 27, 43, 71, 81, 129, 213, 387, 639, 1161, 1917, 3053, 3483, 5041, 5751, 9159, 15123, 27477, 45369, 82431, 136107, 216763, 247293, 408321, 650289, 1950867, 5852601, 17557803]

約数ペア:

[(1, 17557803), (3, 5852601), (9, 1950867), (27, 650289), (43, 408321), (71, 247293), (81, 216763), (129, 136107), (213, 82431), (387, 45369), (639, 27477), (1161, 15123), (1917, 9159), (3053, 5751), (3483, 5041)]