28451175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 49520640

約数和(自身を除く): 21069465

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 103, 127, 145, 309, 381, 435, 515, 635, 725, 1545, 1905, 2175, 2575, 2987, 3175, 3683, 7725, 8961, 9525, 11049, 13081, 14935, 18415, 39243, 44805, 55245, 65405, 74675, 92075, 196215, 224025, 276225, 327025, 379349, 981075, 1138047, 1896745, 5690235, 9483725, 28451175]

約数ペア:

[(1, 28451175), (3, 9483725), (5, 5690235), (15, 1896745), (25, 1138047), (29, 981075), (75, 379349), (87, 327025), (103, 276225), (127, 224025), (145, 196215), (309, 92075), (381, 74675), (435, 65405), (515, 55245), (635, 44805), (725, 39243), (1545, 18415), (1905, 14935), (2175, 13081), (2575, 11049), (2987, 9525), (3175, 8961), (3683, 7725)]