201689439

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{7109}}^1$

素因数の和:7319

約数の個数: 24

約数和(自身を含む): 314489520

約数和(自身を除く): 112800081

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 7109, 9457, 21327, 28371, 49763, 149289, 348341, 1045023, 1372037, 4116111, 9604259, 28812777, 67229813, 201689439]

約数ペア:

[(1, 201689439), (3, 67229813), (7, 28812777), (21, 9604259), (49, 4116111), (147, 1372037), (193, 1045023), (579, 348341), (1351, 149289), (4053, 49763), (7109, 28371), (9457, 21327)]