78545727

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2053}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 126526400

約数和(自身を除く): 47980673

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 981, 1417, 2053, 2943, 4251, 6159, 12753, 18477, 26689, 38259, 55431, 80067, 223777, 240201, 671331, 720603, 2013993, 2909101, 6041979, 8727303, 26181909, 78545727]

約数ペア:

[(1, 78545727), (3, 26181909), (9, 8727303), (13, 6041979), (27, 2909101), (39, 2013993), (109, 720603), (117, 671331), (327, 240201), (351, 223777), (981, 80067), (1417, 55431), (2053, 38259), (2943, 26689), (4251, 18477), (6159, 12753)]