66965997

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 106853568

約数和(自身を除く): 39887571

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 271, 287, 813, 861, 1681, 1897, 2009, 5043, 5691, 6027, 11111, 11767, 13279, 33333, 35301, 39837, 77777, 82369, 233331, 247107, 455551, 544439, 1366653, 1633317, 3188857, 9566571, 22321999, 66965997]

約数ペア:

[(1, 66965997), (3, 22321999), (7, 9566571), (21, 3188857), (41, 1633317), (49, 1366653), (123, 544439), (147, 455551), (271, 247107), (287, 233331), (813, 82369), (861, 77777), (1681, 39837), (1897, 35301), (2009, 33333), (5043, 13279), (5691, 11767), (6027, 11111)]