255155805

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 487192320

約数和(自身を除く): 232036515

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 135, 153, 219, 255, 365, 459, 657, 765, 1095, 1241, 1523, 1971, 2295, 3285, 3723, 4569, 6205, 7615, 9855, 11169, 13707, 18615, 22845, 25891, 33507, 41121, 55845, 68535, 77673, 111179, 129455, 167535, 205605, 233019, 333537, 388365, 555895, 699057, 1000611, 1165095, 1667685, 1890043, 3001833, 3495285, 5003055, 5670129, 9450215, 15009165, 17010387, 28350645, 51031161, 85051935, 255155805]

約数ペア:

[(1, 255155805), (3, 85051935), (5, 51031161), (9, 28350645), (15, 17010387), (17, 15009165), (27, 9450215), (45, 5670129), (51, 5003055), (73, 3495285), (85, 3001833), (135, 1890043), (153, 1667685), (219, 1165095), (255, 1000611), (365, 699057), (459, 555895), (657, 388365), (765, 333537), (1095, 233019), (1241, 205605), (1523, 167535), (1971, 129455), (2295, 111179), (3285, 77673), (3723, 68535), (4569, 55845), (6205, 41121), (7615, 33507), (9855, 25891), (11169, 22845), (13707, 18615)]