211195467

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{108139}}^1$

素因数の和:108183

約数の個数: 24

約数和(自身を含む): 359889920

約数和(自身を除く): 148694453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 108139, 324417, 756973, 973251, 2270919, 3352309, 6812757, 10056927, 23466163, 30170781, 70398489, 211195467]

約数ペア:

[(1, 211195467), (3, 70398489), (7, 30170781), (9, 23466163), (21, 10056927), (31, 6812757), (63, 3352309), (93, 2270919), (217, 973251), (279, 756973), (651, 324417), (1953, 108139)]