7371981

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{2269}}^1$

素因数の和:2313

約数の個数: 18

約数和(自身を含む): 11243310

約数和(自身を除く): 3871329

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 2269, 3249, 6807, 20421, 43111, 129333, 387999, 819109, 2457327, 7371981]

約数ペア:

[(1, 7371981), (3, 2457327), (9, 819109), (19, 387999), (57, 129333), (171, 43111), (361, 20421), (1083, 6807), (2269, 3249)]