1980351

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 3102320

約数和(自身を除く): 1121969

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 313, 333, 703, 939, 2109, 2817, 5947, 6327, 11581, 17841, 34743, 53523, 104229, 220039, 660117, 1980351]

約数ペア:

[(1, 1980351), (3, 660117), (9, 220039), (19, 104229), (37, 53523), (57, 34743), (111, 17841), (171, 11581), (313, 6327), (333, 5947), (703, 2817), (939, 2109)]