874209

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 1431840

約数和(自身を除く): 557631

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 313, 399, 931, 939, 2191, 2793, 5947, 6573, 15337, 17841, 41629, 46011, 124887, 291403, 874209]

約数ペア:

[(1, 874209), (3, 291403), (7, 124887), (19, 46011), (21, 41629), (49, 17841), (57, 15337), (133, 6573), (147, 5947), (313, 2793), (399, 2191), (931, 939)]