784125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 1533168

約数和(自身を除く): 749043

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 125, 153, 205, 225, 255, 369, 375, 425, 615, 697, 765, 1025, 1125, 1275, 1845, 2091, 2125, 3075, 3485, 3825, 5125, 6273, 6375, 9225, 10455, 15375, 17425, 19125, 31365, 46125, 52275, 87125, 156825, 261375, 784125]

約数ペア:

[(1, 784125), (3, 261375), (5, 156825), (9, 87125), (15, 52275), (17, 46125), (25, 31365), (41, 19125), (45, 17425), (51, 15375), (75, 10455), (85, 9225), (123, 6375), (125, 6273), (153, 5125), (205, 3825), (225, 3485), (255, 3075), (369, 2125), (375, 2091), (425, 1845), (615, 1275), (697, 1125), (765, 1025)]