28870491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1301}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 41559840

約数和(自身を除く): 12689349

約数列:

[1, 3, 13, 39, 569, 1301, 1707, 3903, 7397, 16913, 22191, 50739, 740269, 2220807, 9623497, 28870491]

約数ペア:

[(1, 28870491), (3, 9623497), (13, 2220807), (39, 740269), (569, 50739), (1301, 22191), (1707, 16913), (3903, 7397)]