820297953

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{3643}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 1200595968

約数和(自身を除く): 380298015

約数列:

[1, 3, 9, 127, 197, 381, 591, 1143, 1773, 3643, 10929, 25019, 32787, 75057, 225171, 462661, 717671, 1387983, 2153013, 4163949, 6459039, 91144217, 273432651, 820297953]

約数ペア:

[(1, 820297953), (3, 273432651), (9, 91144217), (127, 6459039), (197, 4163949), (381, 2153013), (591, 1387983), (1143, 717671), (1773, 462661), (3643, 225171), (10929, 75057), (25019, 32787)]