1680825

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 2826208

約数和(自身を除く): 1145383

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 307, 365, 921, 1095, 1535, 1825, 4605, 5475, 7675, 22411, 23025, 67233, 112055, 336165, 560275, 1680825]

約数ペア:

[(1, 1680825), (3, 560275), (5, 336165), (15, 112055), (25, 67233), (73, 23025), (75, 22411), (219, 7675), (307, 5475), (365, 4605), (921, 1825), (1095, 1535)]