218029251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{21521}}^1$

素因数の和:21842

約数の個数: 16

約数和(自身を含む): 318181248

約数和(自身を除く): 100151997

約数列:

[1, 3, 11, 33, 307, 921, 3377, 10131, 21521, 64563, 236731, 710193, 6606947, 19820841, 72676417, 218029251]

約数ペア:

[(1, 218029251), (3, 72676417), (11, 19820841), (33, 6606947), (307, 710193), (921, 236731), (3377, 64563), (10131, 21521)]