78821775

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6869}}^1$

素因数の和:6905

約数の個数: 48

約数和(自身を含む): 153338400

約数和(自身を除く): 74516625

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 6869, 11475, 20607, 34345, 61821, 103035, 116773, 171725, 185463, 309105, 350319, 515175, 583865, 927315, 1050957, 1545525, 1751595, 2919325, 3152871, 4636575, 5254785, 8757975, 15764355, 26273925, 78821775]

約数ペア:

[(1, 78821775), (3, 26273925), (5, 15764355), (9, 8757975), (15, 5254785), (17, 4636575), (25, 3152871), (27, 2919325), (45, 1751595), (51, 1545525), (75, 1050957), (85, 927315), (135, 583865), (153, 515175), (225, 350319), (255, 309105), (425, 185463), (459, 171725), (675, 116773), (765, 103035), (1275, 61821), (2295, 34345), (3825, 20607), (6869, 11475)]