139572727

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 171998640

約数和(自身を除く): 32425913

約数列:

[1, 7, 19, 49, 133, 197, 761, 931, 1379, 3743, 5327, 9653, 14459, 26201, 37289, 101213, 149917, 183407, 708491, 1049419, 2848423, 7345933, 19938961, 139572727]

約数ペア:

[(1, 139572727), (7, 19938961), (19, 7345933), (49, 2848423), (133, 1049419), (197, 708491), (761, 183407), (931, 149917), (1379, 101213), (3743, 37289), (5327, 26201), (9653, 14459)]