16012971

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 26723424

約数和(自身を除く): 10710453

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 137, 243, 333, 351, 411, 481, 999, 1053, 1233, 1443, 1781, 2997, 3159, 3699, 4329, 5069, 5343, 8991, 11097, 12987, 15207, 16029, 33291, 38961, 45621, 48087, 65897, 116883, 136863, 144261, 197691, 410589, 432783, 593073, 1231767, 1779219, 5337657, 16012971]

約数ペア:

[(1, 16012971), (3, 5337657), (9, 1779219), (13, 1231767), (27, 593073), (37, 432783), (39, 410589), (81, 197691), (111, 144261), (117, 136863), (137, 116883), (243, 65897), (333, 48087), (351, 45621), (411, 38961), (481, 33291), (999, 16029), (1053, 15207), (1233, 12987), (1443, 11097), (1781, 8991), (2997, 5343), (3159, 5069), (3699, 4329)]