1440789

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 2426880

約数和(自身を除く): 986091

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 157, 161, 399, 437, 471, 483, 1099, 1311, 2983, 3059, 3297, 3611, 8949, 9177, 10833, 20881, 25277, 62643, 68609, 75831, 205827, 480263, 1440789]

約数ペア:

[(1, 1440789), (3, 480263), (7, 205827), (19, 75831), (21, 68609), (23, 62643), (57, 25277), (69, 20881), (133, 10833), (157, 9177), (161, 8949), (399, 3611), (437, 3297), (471, 3059), (483, 2983), (1099, 1311)]