4020471

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4935

約数の個数: 24

約数和(自身を含む): 7148960

約数和(自身を除く): 3128489

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 4909, 14727, 34363, 44181, 63817, 103089, 191451, 309267, 446719, 574353, 1340157, 4020471]

約数ペア:

[(1, 4020471), (3, 1340157), (7, 574353), (9, 446719), (13, 309267), (21, 191451), (39, 103089), (63, 63817), (91, 44181), (117, 34363), (273, 14727), (819, 4909)]