140005509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{350891}}^1$

素因数の和:350920

約数の個数: 16

約数和(自身を含む): 224570880

約数和(自身を除く): 84565371

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 350891, 1052673, 2456237, 6666929, 7368711, 20000787, 46668503, 140005509]

約数ペア:

[(1, 140005509), (3, 46668503), (7, 20000787), (19, 7368711), (21, 6666929), (57, 2456237), (133, 1052673), (399, 350891)]