177131475

素因数分解:

$3^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 326710240

約数和(自身を除く): 149578765

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 397, 661, 675, 1191, 1983, 1985, 3305, 3573, 5949, 5955, 9915, 9925, 10719, 16525, 17847, 17865, 29745, 29775, 49575, 53595, 89235, 89325, 148725, 262417, 267975, 446175, 787251, 1312085, 2361753, 3936255, 6560425, 7085259, 11808765, 19681275, 35426295, 59043825, 177131475]

約数ペア:

[(1, 177131475), (3, 59043825), (5, 35426295), (9, 19681275), (15, 11808765), (25, 7085259), (27, 6560425), (45, 3936255), (75, 2361753), (135, 1312085), (225, 787251), (397, 446175), (661, 267975), (675, 262417), (1191, 148725), (1983, 89325), (1985, 89235), (3305, 53595), (3573, 49575), (5949, 29775), (5955, 29745), (9915, 17865), (9925, 17847), (10719, 16525)]