1521639

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 2634240

約数和(自身を除く): 1112601

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 97, 189, 249, 291, 581, 679, 747, 873, 1743, 2037, 2241, 2619, 5229, 6111, 8051, 15687, 18333, 24153, 56357, 72459, 169071, 217377, 507213, 1521639]

約数ペア:

[(1, 1521639), (3, 507213), (7, 217377), (9, 169071), (21, 72459), (27, 56357), (63, 24153), (83, 18333), (97, 15687), (189, 8051), (249, 6111), (291, 5229), (581, 2619), (679, 2241), (747, 2037), (873, 1743)]