13820275

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 19752704

約数和(自身を除く): 5932429

約数列:

[1, 5, 7, 25, 35, 151, 175, 523, 755, 1057, 2615, 3661, 3775, 5285, 13075, 18305, 26425, 78973, 91525, 394865, 552811, 1974325, 2764055, 13820275]

約数ペア:

[(1, 13820275), (5, 2764055), (7, 1974325), (25, 552811), (35, 394865), (151, 91525), (175, 78973), (523, 26425), (755, 18305), (1057, 13075), (2615, 5285), (3661, 3775)]