31125829

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 18

約数和(自身を含む): 37469862

約数和(自身を除く): 6344033

約数列:

[1, 7, 31, 49, 217, 661, 961, 1519, 4627, 6727, 20491, 32389, 47089, 143437, 635221, 1004059, 4446547, 31125829]

約数ペア:

[(1, 31125829), (7, 4446547), (31, 1004059), (49, 635221), (217, 143437), (661, 47089), (961, 32389), (1519, 20491), (4627, 6727)]