2545755

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 4368384

約数和(自身を除く): 1822629

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 157, 235, 345, 471, 705, 785, 1081, 2355, 3243, 3611, 5405, 7379, 10833, 16215, 18055, 22137, 36895, 54165, 110685, 169717, 509151, 848585, 2545755]

約数ペア:

[(1, 2545755), (3, 848585), (5, 509151), (15, 169717), (23, 110685), (47, 54165), (69, 36895), (115, 22137), (141, 18055), (157, 16215), (235, 10833), (345, 7379), (471, 5405), (705, 3611), (785, 3243), (1081, 2355)]