16580889

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 26781440

約数和(自身を除く): 10200551

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 487, 873, 1261, 1461, 2619, 3783, 4383, 6331, 11349, 13149, 18993, 34047, 47239, 56979, 141717, 170937, 425151, 614107, 1275453, 1842321, 5526963, 16580889]

約数ペア:

[(1, 16580889), (3, 5526963), (9, 1842321), (13, 1275453), (27, 614107), (39, 425151), (97, 170937), (117, 141717), (291, 56979), (351, 47239), (487, 34047), (873, 18993), (1261, 13149), (1461, 11349), (2619, 6331), (3783, 4383)]