291298761

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{276637}}^1$

素因数の和:276662

約数の個数: 20

約数和(自身を含む): 468624772

約数和(自身を除く): 177326011

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 276637, 829911, 2489733, 3596281, 7469199, 10788843, 22407597, 32366529, 97099587, 291298761]

約数ペア:

[(1, 291298761), (3, 97099587), (9, 32366529), (13, 22407597), (27, 10788843), (39, 7469199), (81, 3596281), (117, 2489733), (351, 829911), (1053, 276637)]