205125729

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 307507200

約数和(自身を除く): 102381471

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 551, 589, 899, 1653, 1767, 2697, 4003, 12009, 17081, 51243, 76057, 116087, 124093, 228171, 348261, 372279, 2205653, 2357767, 3598697, 6616959, 7073301, 10796091, 68375243, 205125729]

約数ペア:

[(1, 205125729), (3, 68375243), (19, 10796091), (29, 7073301), (31, 6616959), (57, 3598697), (87, 2357767), (93, 2205653), (551, 372279), (589, 348261), (899, 228171), (1653, 124093), (1767, 116087), (2697, 76057), (4003, 51243), (12009, 17081)]