205914513

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{5861}}^1$

素因数の和:6117

約数の個数: 24

約数和(自身を含む): 320768640

約数和(自身を除く): 114854127

約数列:

[1, 3, 7, 21, 49, 147, 239, 717, 1673, 5019, 5861, 11711, 17583, 35133, 41027, 123081, 287189, 861567, 1400779, 4202337, 9805453, 29416359, 68638171, 205914513]

約数ペア:

[(1, 205914513), (3, 68638171), (7, 29416359), (21, 9805453), (49, 4202337), (147, 1400779), (239, 861567), (717, 287189), (1673, 123081), (5019, 41027), (5861, 35133), (11711, 17583)]