1201990503

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{109441}}^1$

素因数の和:109974

約数の個数: 16

約数和(自身を含む): 1835123456

約数和(自身を除く): 633132953

約数列:

[1, 3, 7, 21, 523, 1569, 3661, 10983, 109441, 328323, 766087, 2298261, 57237643, 171712929, 400663501, 1201990503]

約数ペア:

[(1, 1201990503), (3, 400663501), (7, 171712929), (21, 57237643), (523, 2298261), (1569, 766087), (3661, 328323), (10983, 109441)]