28402899

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4111}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 45001728

約数和(自身を除く): 16598829

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 4111, 6909, 12333, 28777, 86331, 193217, 201439, 579651, 604317, 1352519, 4057557, 9467633, 28402899]

約数ペア:

[(1, 28402899), (3, 9467633), (7, 4057557), (21, 1352519), (47, 604317), (49, 579651), (141, 201439), (147, 193217), (329, 86331), (987, 28777), (2303, 12333), (4111, 6909)]