81750285

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10501}}^1$

素因数の和:10685

約数の個数: 24

約数和(自身を含む): 142533144

約数和(自身を除く): 60782859

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 10501, 31503, 52505, 94509, 157515, 472545, 1816673, 5450019, 9083365, 16350057, 27250095, 81750285]

約数ペア:

[(1, 81750285), (3, 27250095), (5, 16350057), (9, 9083365), (15, 5450019), (45, 1816673), (173, 472545), (519, 157515), (865, 94509), (1557, 52505), (2595, 31503), (7785, 10501)]