507975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 906192

約数和(自身を除く): 398217

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 521, 975, 1563, 2605, 6773, 7815, 13025, 20319, 33865, 39075, 101595, 169325, 507975]

約数ペア:

[(1, 507975), (3, 169325), (5, 101595), (13, 39075), (15, 33865), (25, 20319), (39, 13025), (65, 7815), (75, 6773), (195, 2605), (325, 1563), (521, 975)]