42875001

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 72638720

約数和(自身を除く): 29763719

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2143, 2223, 6429, 6669, 19287, 20007, 27859, 40717, 57861, 83577, 122151, 173583, 250731, 366453, 529321, 752193, 1099359, 1587963, 2256579, 3298077, 4763889, 14291667, 42875001]

約数ペア:

[(1, 42875001), (3, 14291667), (9, 4763889), (13, 3298077), (19, 2256579), (27, 1587963), (39, 1099359), (57, 752193), (81, 529321), (117, 366453), (171, 250731), (247, 173583), (351, 122151), (513, 83577), (741, 57861), (1053, 40717), (1539, 27859), (2143, 20007), (2223, 19287), (6429, 6669)]