2289819

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 3656208

約数和(自身を除く): 1366389

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 421, 777, 1263, 1813, 2947, 5439, 8841, 15577, 20629, 46731, 61887, 109039, 327117, 763273, 2289819]

約数ペア:

[(1, 2289819), (3, 763273), (7, 327117), (21, 109039), (37, 61887), (49, 46731), (111, 20629), (147, 15577), (259, 8841), (421, 5439), (777, 2947), (1263, 1813)]