664943613

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 931553280

約数和(自身を除く): 266609667

約数列:

[1, 3, 37, 71, 111, 139, 213, 417, 607, 1821, 2627, 5143, 7881, 9869, 15429, 22459, 29607, 43097, 67377, 84373, 129291, 253119, 365153, 1095459, 1594589, 3121801, 4783767, 5990483, 9365403, 17971449, 221647871, 664943613]

約数ペア:

[(1, 664943613), (3, 221647871), (37, 17971449), (71, 9365403), (111, 5990483), (139, 4783767), (213, 3121801), (417, 1594589), (607, 1095459), (1821, 365153), (2627, 253119), (5143, 129291), (7881, 84373), (9869, 67377), (15429, 43097), (22459, 29607)]