140133721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81049}}^1$

素因数の和:81088

約数の個数: 16

約数和(自身を含む): 181552000

約数和(自身を除く): 41418279

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 81049, 567343, 1053637, 1539931, 7375459, 10779517, 20019103, 140133721]

約数ペア:

[(1, 140133721), (7, 20019103), (13, 10779517), (19, 7375459), (91, 1539931), (133, 1053637), (247, 567343), (1729, 81049)]