8421987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 14045184

約数和(自身を除く): 5623197

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 761, 1581, 2283, 3689, 5327, 11067, 12937, 15981, 23591, 38811, 70773, 90559, 165137, 271677, 401047, 495411, 1203141, 2807329, 8421987]

約数ペア:

[(1, 8421987), (3, 2807329), (7, 1203141), (17, 495411), (21, 401047), (31, 271677), (51, 165137), (93, 90559), (119, 70773), (217, 38811), (357, 23591), (527, 15981), (651, 12937), (761, 11067), (1581, 5327), (2283, 3689)]