218810427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 329785344

約数和(自身を除く): 110974917

約数列:

[1, 3, 11, 33, 47, 71, 141, 213, 517, 781, 1551, 1987, 2343, 3337, 5961, 10011, 21857, 36707, 65571, 93389, 110121, 141077, 280167, 423231, 1027279, 1551847, 3081837, 4655541, 6630619, 19891857, 72936809, 218810427]

約数ペア:

[(1, 218810427), (3, 72936809), (11, 19891857), (33, 6630619), (47, 4655541), (71, 3081837), (141, 1551847), (213, 1027279), (517, 423231), (781, 280167), (1551, 141077), (1987, 110121), (2343, 93389), (3337, 65571), (5961, 36707), (10011, 21857)]