213083247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 321753600

約数和(自身を除く): 108670353

約数列:

[1, 3, 13, 23, 39, 69, 139, 299, 417, 897, 1709, 1807, 3197, 5127, 5421, 9591, 22217, 39307, 41561, 66651, 117921, 124683, 237551, 510991, 712653, 1532973, 3088163, 5463673, 9264489, 16391019, 71027749, 213083247]

約数ペア:

[(1, 213083247), (3, 71027749), (13, 16391019), (23, 9264489), (39, 5463673), (69, 3088163), (139, 1532973), (299, 712653), (417, 510991), (897, 237551), (1709, 124683), (1807, 117921), (3197, 66651), (5127, 41561), (5421, 39307), (9591, 22217)]