213897

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 16

約数和(自身を含む): 306432

約数和(自身を除く): 92535

約数列:

[1, 3, 37, 41, 47, 111, 123, 141, 1517, 1739, 1927, 4551, 5217, 5781, 71299, 213897]

約数ペア:

[(1, 213897), (3, 71299), (37, 5781), (41, 5217), (47, 4551), (111, 1927), (123, 1739), (141, 1517)]