81814005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20010

約数の個数: 48

約数和(自身を含む): 174545280

約数和(自身を除く): 92731275

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 19979, 59937, 99895, 139853, 179811, 259727, 299685, 419559, 699265, 779181, 899055, 1258677, 1298635, 1818089, 2097795, 2337543, 3895905, 5454267, 6293385, 9090445, 11687715, 16362801, 27271335, 81814005]

約数ペア:

[(1, 81814005), (3, 27271335), (5, 16362801), (7, 11687715), (9, 9090445), (13, 6293385), (15, 5454267), (21, 3895905), (35, 2337543), (39, 2097795), (45, 1818089), (63, 1298635), (65, 1258677), (91, 899055), (105, 779181), (117, 699265), (195, 419559), (273, 299685), (315, 259727), (455, 179811), (585, 139853), (819, 99895), (1365, 59937), (4095, 19979)]