27826875

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 55107360

約数和(自身を除く): 27280485

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 97, 125, 135, 153, 225, 255, 291, 375, 425, 459, 485, 625, 675, 765, 873, 1125, 1275, 1455, 1649, 1875, 2125, 2295, 2425, 2619, 3375, 3825, 4365, 4947, 5625, 6375, 7275, 8245, 10625, 11475, 12125, 13095, 14841, 16875, 19125, 21825, 24735, 31875, 36375, 41225, 44523, 57375, 60625, 65475, 74205, 95625, 109125, 123675, 181875, 206125, 222615, 286875, 327375, 371025, 545625, 618375, 1030625, 1113075, 1636875, 1855125, 3091875, 5565375, 9275625, 27826875]

約数ペア:

[(1, 27826875), (3, 9275625), (5, 5565375), (9, 3091875), (15, 1855125), (17, 1636875), (25, 1113075), (27, 1030625), (45, 618375), (51, 545625), (75, 371025), (85, 327375), (97, 286875), (125, 222615), (135, 206125), (153, 181875), (225, 123675), (255, 109125), (291, 95625), (375, 74205), (425, 65475), (459, 60625), (485, 57375), (625, 44523), (675, 41225), (765, 36375), (873, 31875), (1125, 24735), (1275, 21825), (1455, 19125), (1649, 16875), (1875, 14841), (2125, 13095), (2295, 12125), (2425, 11475), (2619, 10625), (3375, 8245), (3825, 7275), (4365, 6375), (4947, 5625)]