78849981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3467}}^1$

素因数の和:3518

約数の個数: 36

約数和(自身を含む): 137416032

約数和(自身を除く): 58566051

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 3467, 7581, 10401, 22743, 24269, 31203, 65873, 72807, 197619, 218421, 461111, 592857, 1251587, 1383333, 3754761, 4149999, 8761109, 11264283, 26283327, 78849981]

約数ペア:

[(1, 78849981), (3, 26283327), (7, 11264283), (9, 8761109), (19, 4149999), (21, 3754761), (57, 1383333), (63, 1251587), (133, 592857), (171, 461111), (361, 218421), (399, 197619), (1083, 72807), (1197, 65873), (2527, 31203), (3249, 24269), (3467, 22743), (7581, 10401)]