2215135881

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1850573}}^1$

素因数の和:1850605

約数の個数: 24

約数和(自身を含む): 3849193920

約数和(自身を除く): 1634058039

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1850573, 5551719, 12954011, 16655157, 35160887, 38862033, 105482661, 116586099, 246126209, 316447983, 738378627, 2215135881]

約数ペア:

[(1, 2215135881), (3, 738378627), (7, 316447983), (9, 246126209), (19, 116586099), (21, 105482661), (57, 38862033), (63, 35160887), (133, 16655157), (171, 12954011), (399, 5551719), (1197, 1850573)]