3938613

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 6213312

約数和(自身を除く): 2274699

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 777, 959, 1369, 2877, 4107, 5069, 9583, 15207, 28749, 35483, 106449, 187553, 562659, 1312871, 3938613]

約数ペア:

[(1, 3938613), (3, 1312871), (7, 562659), (21, 187553), (37, 106449), (111, 35483), (137, 28749), (259, 15207), (411, 9583), (777, 5069), (959, 4107), (1369, 2877)]