28983549

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 45603648

約数和(自身を除く): 16620099

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 2777, 3479, 8331, 10437, 19439, 58317, 136073, 197167, 408219, 591501, 1380169, 4140507, 9661183, 28983549]

約数ペア:

[(1, 28983549), (3, 9661183), (7, 4140507), (21, 1380169), (49, 591501), (71, 408219), (147, 197167), (213, 136073), (497, 58317), (1491, 19439), (2777, 10437), (3479, 8331)]