1855125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 3577392

約数和(自身を除く): 1722267

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 97, 125, 153, 225, 255, 291, 375, 425, 485, 765, 873, 1125, 1275, 1455, 1649, 2125, 2425, 3825, 4365, 4947, 6375, 7275, 8245, 12125, 14841, 19125, 21825, 24735, 36375, 41225, 74205, 109125, 123675, 206125, 371025, 618375, 1855125]

約数ペア:

[(1, 1855125), (3, 618375), (5, 371025), (9, 206125), (15, 123675), (17, 109125), (25, 74205), (45, 41225), (51, 36375), (75, 24735), (85, 21825), (97, 19125), (125, 14841), (153, 12125), (225, 8245), (255, 7275), (291, 6375), (375, 4947), (425, 4365), (485, 3825), (765, 2425), (873, 2125), (1125, 1649), (1275, 1455)]