218367981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{207377}}^1$

素因数の和:207402

約数の個数: 20

約数和(自身を含む): 351298332

約数和(自身を除く): 132930351

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 207377, 622131, 1866393, 2695901, 5599179, 8087703, 16797537, 24263109, 72789327, 218367981]

約数ペア:

[(1, 218367981), (3, 72789327), (9, 24263109), (13, 16797537), (27, 8087703), (39, 5599179), (81, 2695901), (117, 1866393), (351, 622131), (1053, 207377)]