25847775

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 47988000

約数和(自身を除く): 22140225

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 257, 447, 675, 745, 771, 1285, 1341, 2235, 2313, 3725, 3855, 4023, 6425, 6705, 6939, 11175, 11565, 19275, 20115, 33525, 34695, 38293, 57825, 100575, 114879, 173475, 191465, 344637, 574395, 957325, 1033911, 1723185, 2871975, 5169555, 8615925, 25847775]

約数ペア:

[(1, 25847775), (3, 8615925), (5, 5169555), (9, 2871975), (15, 1723185), (25, 1033911), (27, 957325), (45, 574395), (75, 344637), (135, 191465), (149, 173475), (225, 114879), (257, 100575), (447, 57825), (675, 38293), (745, 34695), (771, 33525), (1285, 20115), (1341, 19275), (2235, 11565), (2313, 11175), (3725, 6939), (3855, 6705), (4023, 6425)]