28904187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2053}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 43824144

約数和(自身を除く): 14919957

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 2053, 4693, 6159, 14079, 26689, 39007, 80067, 117021, 507091, 741133, 1521273, 2223399, 9634729, 28904187]

約数ペア:

[(1, 28904187), (3, 9634729), (13, 2223399), (19, 1521273), (39, 741133), (57, 507091), (247, 117021), (361, 80067), (741, 39007), (1083, 26689), (2053, 14079), (4693, 6159)]