1961901

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 2992572

約数和(自身を除く): 1030671

約数列:

[1, 3, 9, 27, 53, 81, 159, 457, 477, 1371, 1431, 4113, 4293, 12339, 24221, 37017, 72663, 217989, 653967, 1961901]

約数ペア:

[(1, 1961901), (3, 653967), (9, 217989), (27, 72663), (53, 37017), (81, 24221), (159, 12339), (457, 4293), (477, 4113), (1371, 1431)]