28933317

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1787}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 47975616

約数和(自身を除く): 19042299

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1787, 1799, 2313, 5361, 5397, 12509, 16083, 16191, 37527, 112581, 459259, 1377777, 3214813, 4133331, 9644439, 28933317]

約数ペア:

[(1, 28933317), (3, 9644439), (7, 4133331), (9, 3214813), (21, 1377777), (63, 459259), (257, 112581), (771, 37527), (1787, 16191), (1799, 16083), (2313, 12509), (5361, 5397)]