126979489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^2$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 165117120

約数和(自身を除く): 38137631

約数列:

[1, 7, 13, 19, 91, 133, 247, 271, 1729, 1897, 3523, 5149, 24661, 36043, 66937, 73441, 468559, 514087, 954733, 1395379, 6683131, 9767653, 18139927, 126979489]

約数ペア:

[(1, 126979489), (7, 18139927), (13, 9767653), (19, 6683131), (91, 1395379), (133, 954733), (247, 514087), (271, 468559), (1729, 73441), (1897, 66937), (3523, 36043), (5149, 24661)]