2278941

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 1359939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 419, 777, 1257, 1813, 2933, 5439, 8799, 15503, 20531, 46509, 61593, 108521, 325563, 759647, 2278941]

約数ペア:

[(1, 2278941), (3, 759647), (7, 325563), (21, 108521), (37, 61593), (49, 46509), (111, 20531), (147, 15503), (259, 8799), (419, 5439), (777, 2933), (1257, 1813)]