227628639

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{193}}^2$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 381619056

約数和(自身を除く): 153990417

約数列:

[1, 3, 7, 9, 21, 63, 97, 193, 291, 579, 679, 873, 1351, 1737, 2037, 4053, 6111, 12159, 18721, 37249, 56163, 111747, 131047, 168489, 260743, 335241, 393141, 782229, 1179423, 2346687, 3613153, 10839459, 25292071, 32518377, 75876213, 227628639]

約数ペア:

[(1, 227628639), (3, 75876213), (7, 32518377), (9, 25292071), (21, 10839459), (63, 3613153), (97, 2346687), (193, 1179423), (291, 782229), (579, 393141), (679, 335241), (873, 260743), (1351, 168489), (1737, 131047), (2037, 111747), (4053, 56163), (6111, 37249), (12159, 18721)]