1020775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 1527680

約数和(自身を除く): 506905

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 307, 475, 665, 1535, 2149, 3325, 5833, 7675, 10745, 29165, 40831, 53725, 145825, 204155, 1020775]

約数ペア:

[(1, 1020775), (5, 204155), (7, 145825), (19, 53725), (25, 40831), (35, 29165), (95, 10745), (133, 7675), (175, 5833), (307, 3325), (475, 2149), (665, 1535)]