28688319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1601}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 45483984

約数和(自身を除く): 16795665

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1601, 1629, 1991, 4803, 5973, 14409, 17611, 17919, 52833, 158499, 289781, 869343, 2608029, 3187591, 9562773, 28688319]

約数ペア:

[(1, 28688319), (3, 9562773), (9, 3187591), (11, 2608029), (33, 869343), (99, 289781), (181, 158499), (543, 52833), (1601, 17919), (1629, 17611), (1991, 14409), (4803, 5973)]