2175425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3190272

約数和(自身を除く): 1014847

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 401, 775, 1085, 2005, 2807, 5425, 10025, 12431, 14035, 62155, 70175, 87017, 310775, 435085, 2175425]

約数ペア:

[(1, 2175425), (5, 435085), (7, 310775), (25, 87017), (31, 70175), (35, 62155), (155, 14035), (175, 12431), (217, 10025), (401, 5425), (775, 2807), (1085, 2005)]