12666381

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 21643776

約数和(自身を除く): 8977395

約数列:

[1, 3, 7, 13, 21, 39, 43, 83, 91, 129, 169, 249, 273, 301, 507, 559, 581, 903, 1079, 1183, 1677, 1743, 3237, 3549, 3569, 3913, 7267, 7553, 10707, 11739, 14027, 21801, 22659, 24983, 42081, 46397, 50869, 74949, 98189, 139191, 152607, 294567, 324779, 603161, 974337, 1809483, 4222127, 12666381]

約数ペア:

[(1, 12666381), (3, 4222127), (7, 1809483), (13, 974337), (21, 603161), (39, 324779), (43, 294567), (83, 152607), (91, 139191), (129, 98189), (169, 74949), (249, 50869), (273, 46397), (301, 42081), (507, 24983), (559, 22659), (581, 21801), (903, 14027), (1079, 11739), (1183, 10707), (1677, 7553), (1743, 7267), (3237, 3913), (3549, 3569)]