217907711

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{1117}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 266441760

約数和(自身を除く): 48534049

約数列:

[1, 7, 29, 31, 203, 217, 899, 961, 1117, 6293, 6727, 7819, 27869, 32393, 34627, 195083, 226751, 242389, 1004183, 1073437, 7029281, 7514059, 31129673, 217907711]

約数ペア:

[(1, 217907711), (7, 31129673), (29, 7514059), (31, 7029281), (203, 1073437), (217, 1004183), (899, 242389), (961, 226751), (1117, 195083), (6293, 34627), (6727, 32393), (7819, 27869)]