123040519

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{81001}}^1$

素因数の和:81046

約数の個数: 12

約数和(自身を含む): 147747648

約数和(自身を除く): 24707129

約数列:

[1, 7, 31, 49, 217, 1519, 81001, 567007, 2511031, 3969049, 17577217, 123040519]

約数ペア:

[(1, 123040519), (7, 17577217), (31, 3969049), (49, 2511031), (217, 567007), (1519, 81001)]