127404009

素因数分解:

$3^4\times {\mathrm{1087}}^1\times {\mathrm{1447}}^1$

素因数の和:2546

約数の個数: 20

約数和(自身を含む): 190626304

約数和(自身を除く): 63222295

約数列:

[1, 3, 9, 27, 81, 1087, 1447, 3261, 4341, 9783, 13023, 29349, 39069, 88047, 117207, 1572889, 4718667, 14156001, 42468003, 127404009]

約数ペア:

[(1, 127404009), (3, 42468003), (9, 14156001), (27, 4718667), (81, 1572889), (1087, 117207), (1447, 88047), (3261, 39069), (4341, 29349), (9783, 13023)]