28163289

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17417}}^1$

素因数の和:17445

約数の個数: 24

約数和(自身を含む): 47655648

約数和(自身を除く): 19492359

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17417, 52251, 121919, 191587, 365757, 574761, 853433, 1341109, 2560299, 4023327, 9387763, 28163289]

約数ペア:

[(1, 28163289), (3, 9387763), (7, 4023327), (11, 2560299), (21, 1341109), (33, 853433), (49, 574761), (77, 365757), (147, 191587), (231, 121919), (539, 52251), (1617, 17417)]