2051249499

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1348619}}^1$

素因数の和:1348651

約数の個数: 18

約数和(自身を含む): 3208366980

約数和(自身を除く): 1157117481

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1348619, 4045857, 12137571, 17532047, 52596141, 157788423, 227916611, 683749833, 2051249499]

約数ペア:

[(1, 2051249499), (3, 683749833), (9, 227916611), (13, 157788423), (39, 52596141), (117, 17532047), (169, 12137571), (507, 4045857), (1521, 1348619)]