81454293

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 50634027

約数列:

[1, 3, 9, 17, 23, 51, 69, 79, 153, 207, 237, 293, 391, 711, 879, 1173, 1343, 1817, 2637, 3519, 4029, 4981, 5451, 6739, 12087, 14943, 16353, 20217, 23147, 30889, 44829, 60651, 69441, 92667, 114563, 208323, 278001, 343689, 393499, 532381, 1031067, 1180497, 1597143, 3541491, 4791429, 9050477, 27151431, 81454293]

約数ペア:

[(1, 81454293), (3, 27151431), (9, 9050477), (17, 4791429), (23, 3541491), (51, 1597143), (69, 1180497), (79, 1031067), (153, 532381), (207, 393499), (237, 343689), (293, 278001), (391, 208323), (711, 114563), (879, 92667), (1173, 69441), (1343, 60651), (1817, 44829), (2637, 30889), (3519, 23147), (4029, 20217), (4981, 16353), (5451, 14943), (6739, 12087)]