521391039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4259}}^1$

素因数の和:4391

約数の個数: 32

約数和(自身を含む): 776751360

約数和(自身を除く): 255360321

約数列:

[1, 3, 13, 39, 43, 73, 129, 219, 559, 949, 1677, 2847, 3139, 4259, 9417, 12777, 40807, 55367, 122421, 166101, 183137, 310907, 549411, 932721, 2380781, 4041791, 7142343, 12125373, 13369001, 40107003, 173797013, 521391039]

約数ペア:

[(1, 521391039), (3, 173797013), (13, 40107003), (39, 13369001), (43, 12125373), (73, 7142343), (129, 4041791), (219, 2380781), (559, 932721), (949, 549411), (1677, 310907), (2847, 183137), (3139, 166101), (4259, 122421), (9417, 55367), (12777, 40807)]