78171675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 135229440

約数和(自身を除く): 57057765

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 127, 145, 283, 381, 435, 635, 725, 849, 1415, 1905, 2175, 3175, 3683, 4245, 7075, 8207, 9525, 11049, 18415, 21225, 24621, 35941, 41035, 55245, 92075, 107823, 123105, 179705, 205175, 276225, 539115, 615525, 898525, 1042289, 2695575, 3126867, 5211445, 15634335, 26057225, 78171675]

約数ペア:

[(1, 78171675), (3, 26057225), (5, 15634335), (15, 5211445), (25, 3126867), (29, 2695575), (75, 1042289), (87, 898525), (127, 615525), (145, 539115), (283, 276225), (381, 205175), (435, 179705), (635, 123105), (725, 107823), (849, 92075), (1415, 55245), (1905, 41035), (2175, 35941), (3175, 24621), (3683, 21225), (4245, 18415), (7075, 11049), (8207, 9525)]