68784639

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1559}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 46231041

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 573, 1337, 1559, 2101, 4011, 4677, 6303, 10913, 14707, 17149, 32739, 44121, 51447, 120043, 297769, 360129, 893307, 2084383, 3275459, 6253149, 9826377, 22928213, 68784639]

約数ペア:

[(1, 68784639), (3, 22928213), (7, 9826377), (11, 6253149), (21, 3275459), (33, 2084383), (77, 893307), (191, 360129), (231, 297769), (573, 120043), (1337, 51447), (1559, 44121), (2101, 32739), (4011, 17149), (4677, 14707), (6303, 10913)]