66440925

素因数分解:

$3^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 122849280

約数和(自身を除く): 56408355

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 257, 383, 675, 771, 1149, 1285, 1915, 2313, 3447, 3855, 5745, 6425, 6939, 9575, 10341, 11565, 17235, 19275, 28725, 34695, 51705, 57825, 86175, 98431, 173475, 258525, 295293, 492155, 885879, 1476465, 2460775, 2657637, 4429395, 7382325, 13288185, 22146975, 66440925]

約数ペア:

[(1, 66440925), (3, 22146975), (5, 13288185), (9, 7382325), (15, 4429395), (25, 2657637), (27, 2460775), (45, 1476465), (75, 885879), (135, 492155), (225, 295293), (257, 258525), (383, 173475), (675, 98431), (771, 86175), (1149, 57825), (1285, 51705), (1915, 34695), (2313, 28725), (3447, 19275), (3855, 17235), (5745, 11565), (6425, 10341), (6939, 9575)]