27975843

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 21444957

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 449, 483, 903, 989, 1347, 1449, 2709, 2967, 3143, 4041, 6923, 8901, 9429, 10327, 19307, 20769, 28287, 30981, 57921, 62307, 72289, 92943, 135149, 173763, 216867, 405447, 444061, 650601, 1216341, 1332183, 3108427, 3996549, 9325281, 27975843]

約数ペア:

[(1, 27975843), (3, 9325281), (7, 3996549), (9, 3108427), (21, 1332183), (23, 1216341), (43, 650601), (63, 444061), (69, 405447), (129, 216867), (161, 173763), (207, 135149), (301, 92943), (387, 72289), (449, 62307), (483, 57921), (903, 30981), (989, 28287), (1347, 20769), (1449, 19307), (2709, 10327), (2967, 9429), (3143, 8901), (4041, 6923)]