19997307

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6121}}^1$

素因数の和:6152

約数の個数: 24

約数和(自身を含む): 32569040

約数和(自身を除く): 12571733

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6121, 18363, 55089, 67331, 165267, 201993, 605979, 740641, 1817937, 2221923, 6665769, 19997307]

約数ペア:

[(1, 19997307), (3, 6665769), (9, 2221923), (11, 1817937), (27, 740641), (33, 605979), (99, 201993), (121, 165267), (297, 67331), (363, 55089), (1089, 18363), (3267, 6121)]