16971627

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 8118933

約数列:

[1, 3, 17, 43, 51, 71, 109, 129, 213, 327, 731, 1207, 1853, 2193, 3053, 3621, 4687, 5559, 7739, 9159, 14061, 23217, 51901, 79679, 131563, 155703, 239037, 332777, 394689, 998331, 5657209, 16971627]

約数ペア:

[(1, 16971627), (3, 5657209), (17, 998331), (43, 394689), (51, 332777), (71, 239037), (109, 155703), (129, 131563), (213, 79679), (327, 51901), (731, 23217), (1207, 14061), (1853, 9159), (2193, 7739), (3053, 5559), (3621, 4687)]