81149619

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^2$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 117957168

約数和(自身を除く): 36807549

約数列:

[1, 3, 17, 41, 51, 123, 197, 591, 697, 2091, 3349, 8077, 10047, 24231, 38809, 116427, 137309, 411927, 659753, 1591169, 1979259, 4773507, 27049873, 81149619]

約数ペア:

[(1, 81149619), (3, 27049873), (17, 4773507), (41, 1979259), (51, 1591169), (123, 659753), (197, 411927), (591, 137309), (697, 116427), (2091, 38809), (3349, 24231), (8077, 10047)]