68078409

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 109191936

約数和(自身を除く): 41113527

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 2137, 4551, 6411, 10619, 14959, 31857, 44877, 79069, 87617, 237207, 262851, 553483, 613319, 1660449, 1839957, 3241829, 9725487, 22692803, 68078409]

約数ペア:

[(1, 68078409), (3, 22692803), (7, 9725487), (21, 3241829), (37, 1839957), (41, 1660449), (111, 613319), (123, 553483), (259, 262851), (287, 237207), (777, 87617), (861, 79069), (1517, 44877), (2137, 31857), (4551, 14959), (6411, 10619)]