2081275

素因数分解:

$5^2\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1723

約数の個数: 18

約数和(自身を含む): 3003900

約数和(自身を除く): 922625

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 1699, 8495, 11893, 42475, 59465, 83251, 297325, 416255, 2081275]

約数ペア:

[(1, 2081275), (5, 416255), (7, 297325), (25, 83251), (35, 59465), (49, 42475), (175, 11893), (245, 8495), (1225, 1699)]