83391375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 149520384

約数和(自身を除く): 66129009

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 125, 127, 255, 309, 375, 381, 425, 515, 635, 1275, 1545, 1751, 1905, 2125, 2159, 2575, 3175, 5253, 6375, 6477, 7725, 8755, 9525, 10795, 12875, 13081, 15875, 26265, 32385, 38625, 39243, 43775, 47625, 53975, 65405, 131325, 161925, 196215, 218875, 222377, 269875, 327025, 656625, 667131, 809625, 981075, 1111885, 1635125, 3335655, 4905375, 5559425, 16678275, 27797125, 83391375]

約数ペア:

[(1, 83391375), (3, 27797125), (5, 16678275), (15, 5559425), (17, 4905375), (25, 3335655), (51, 1635125), (75, 1111885), (85, 981075), (103, 809625), (125, 667131), (127, 656625), (255, 327025), (309, 269875), (375, 222377), (381, 218875), (425, 196215), (515, 161925), (635, 131325), (1275, 65405), (1545, 53975), (1751, 47625), (1905, 43775), (2125, 39243), (2159, 38625), (2575, 32385), (3175, 26265), (5253, 15875), (6375, 13081), (6477, 12875), (7725, 10795), (8755, 9525)]