291266143

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1621}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 358721520

約数和(自身を除く): 67455377

約数列:

[1, 7, 19, 49, 133, 193, 931, 1351, 1621, 3667, 9457, 11347, 25669, 30799, 79429, 179683, 215593, 312853, 1509151, 2189971, 5944207, 15329797, 41609449, 291266143]

約数ペア:

[(1, 291266143), (7, 41609449), (19, 15329797), (49, 5944207), (133, 2189971), (193, 1509151), (931, 312853), (1351, 215593), (1621, 179683), (3667, 79429), (9457, 30799), (11347, 25669)]