128877

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 219456

約数和(自身を除く): 90579

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 361, 399, 969, 1083, 2261, 2527, 6137, 6783, 7581, 18411, 42959, 128877]

約数ペア:

[(1, 128877), (3, 42959), (7, 18411), (17, 7581), (19, 6783), (21, 6137), (51, 2527), (57, 2261), (119, 1083), (133, 969), (323, 399), (357, 361)]