211845909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1319}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 320348160

約数和(自身を除く): 108502251

約数列:

[1, 3, 11, 31, 33, 93, 157, 341, 471, 1023, 1319, 1727, 3957, 4867, 5181, 14509, 14601, 40889, 43527, 53537, 122667, 160611, 207083, 449779, 621249, 1349337, 2277913, 6419573, 6833739, 19258719, 70615303, 211845909]

約数ペア:

[(1, 211845909), (3, 70615303), (11, 19258719), (31, 6833739), (33, 6419573), (93, 2277913), (157, 1349337), (341, 621249), (471, 449779), (1023, 207083), (1319, 160611), (1727, 122667), (3957, 53537), (4867, 43527), (5181, 40889), (14509, 14601)]