1981245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{18869}}^1$

素因数の和:18884

約数の個数: 16

約数和(自身を含む): 3623040

約数和(自身を除く): 1641795

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 18869, 56607, 94345, 132083, 283035, 396249, 660415, 1981245]

約数ペア:

[(1, 1981245), (3, 660415), (5, 396249), (7, 283035), (15, 132083), (21, 94345), (35, 56607), (105, 18869)]