638577927

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{5457931}}^1$

素因数の和:5457950

約数の個数: 12

約数和(自身を含む): 993343624

約数和(自身を除く): 354765697

約数列:

[1, 3, 9, 13, 39, 117, 5457931, 16373793, 49121379, 70953103, 212859309, 638577927]

約数ペア:

[(1, 638577927), (3, 212859309), (9, 70953103), (13, 49121379), (39, 16373793), (117, 5457931)]