213291267

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{14087}}^1$

素因数の和:14207

約数の個数: 24

約数和(自身を含む): 334054656

約数和(自身を除く): 120763389

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 14087, 15141, 42261, 98609, 295827, 690263, 1450961, 2070789, 4352883, 10156727, 30470181, 71097089, 213291267]

約数ペア:

[(1, 213291267), (3, 71097089), (7, 30470181), (21, 10156727), (49, 4352883), (103, 2070789), (147, 1450961), (309, 690263), (721, 295827), (2163, 98609), (5047, 42261), (14087, 15141)]