2180421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1226619

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 311, 369, 779, 933, 2337, 2799, 5909, 7011, 12751, 17727, 38253, 53181, 114759, 242269, 726807, 2180421]

約数ペア:

[(1, 2180421), (3, 726807), (9, 242269), (19, 114759), (41, 53181), (57, 38253), (123, 17727), (171, 12751), (311, 7011), (369, 5909), (779, 2799), (933, 2337)]