268956009

素因数分解:

$3^2\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{2389}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 444425280

約数和(自身を除く): 175469271

約数列:

[1, 3, 7, 9, 21, 63, 1787, 2389, 5361, 7167, 12509, 16083, 16723, 21501, 37527, 50169, 112581, 150507, 4269143, 12807429, 29884001, 38422287, 89652003, 268956009]

約数ペア:

[(1, 268956009), (3, 89652003), (7, 38422287), (9, 29884001), (21, 12807429), (63, 4269143), (1787, 150507), (2389, 112581), (5361, 50169), (7167, 37527), (12509, 21501), (16083, 16723)]