217768179

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^2\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 302237712

約数和(自身を除く): 84469533

約数列:

[1, 3, 41, 83, 123, 249, 257, 771, 3403, 6889, 10209, 10537, 20667, 21331, 31611, 63993, 282449, 847347, 874571, 1770473, 2623713, 5311419, 72589393, 217768179]

約数ペア:

[(1, 217768179), (3, 72589393), (41, 5311419), (83, 2623713), (123, 1770473), (249, 874571), (257, 847347), (771, 282449), (3403, 63993), (6889, 31611), (10209, 21331), (10537, 20667)]