51427509

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18413}}^1$

素因数の和:18449

約数の個数: 24

約数和(自身を含む): 83967840

約数和(自身を除く): 32540331

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 18413, 55239, 128891, 349847, 386673, 902237, 1049541, 2448929, 2706711, 7346787, 17142503, 51427509]

約数ペア:

[(1, 51427509), (3, 17142503), (7, 7346787), (19, 2706711), (21, 2448929), (49, 1049541), (57, 902237), (133, 386673), (147, 349847), (399, 128891), (931, 55239), (2793, 18413)]