123138379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1609}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 157058720

約数和(自身を除く): 33920341

約数列:

[1, 7, 13, 29, 91, 203, 377, 841, 1609, 2639, 5887, 10933, 11263, 20917, 46661, 76531, 146419, 326627, 606593, 1353169, 4246151, 9472183, 17591197, 123138379]

約数ペア:

[(1, 123138379), (7, 17591197), (13, 9472183), (29, 4246151), (91, 1353169), (203, 606593), (377, 326627), (841, 146419), (1609, 76531), (2639, 46661), (5887, 20917), (10933, 11263)]