207835509

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{74413}}^1$

素因数の和:74449

約数の個数: 24

約数和(自身を含む): 339327840

約数和(自身を除く): 131492331

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 74413, 223239, 520891, 1413847, 1562673, 3646237, 4241541, 9896929, 10938711, 29690787, 69278503, 207835509]

約数ペア:

[(1, 207835509), (3, 69278503), (7, 29690787), (19, 10938711), (21, 9896929), (49, 4241541), (57, 3646237), (133, 1562673), (147, 1413847), (399, 520891), (931, 223239), (2793, 74413)]