28115763

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 42629328

約数和(自身を除く): 14513565

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1997, 4693, 5991, 14079, 25961, 37943, 77883, 113829, 493259, 720917, 1479777, 2162751, 9371921, 28115763]

約数ペア:

[(1, 28115763), (3, 9371921), (13, 2162751), (19, 1479777), (39, 720917), (57, 493259), (247, 113829), (361, 77883), (741, 37943), (1083, 25961), (1997, 14079), (4693, 5991)]