2661903

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 20

約数和(自身を含む): 4051080

約数和(自身を除く): 1389177

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 557, 1593, 1671, 4779, 5013, 15039, 32863, 45117, 98589, 295767, 887301, 2661903]

約数ペア:

[(1, 2661903), (3, 887301), (9, 295767), (27, 98589), (59, 45117), (81, 32863), (177, 15039), (531, 5013), (557, 4779), (1593, 1671)]