16980003

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 26995200

約数和(自身を除く): 10015197

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 739, 851, 999, 2217, 2553, 6651, 7659, 16997, 19953, 22977, 27343, 50991, 82029, 152973, 246087, 458919, 628889, 738261, 1886667, 5660001, 16980003]

約数ペア:

[(1, 16980003), (3, 5660001), (9, 1886667), (23, 738261), (27, 628889), (37, 458919), (69, 246087), (111, 152973), (207, 82029), (333, 50991), (621, 27343), (739, 22977), (851, 19953), (999, 16997), (2217, 7659), (2553, 6651)]