27859419

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4057}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 46423520

約数和(自身を除く): 18564101

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4057, 6867, 12171, 28399, 36513, 85197, 255591, 442213, 1326639, 3095491, 3979917, 9286473, 27859419]

約数ペア:

[(1, 27859419), (3, 9286473), (7, 3979917), (9, 3095491), (21, 1326639), (63, 442213), (109, 255591), (327, 85197), (763, 36513), (981, 28399), (2289, 12171), (4057, 6867)]