143784

素因数分解:

$2^3\times 3^2\times {\mathrm{1997}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 389610

約数和(自身を除く): 245826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1997, 3994, 5991, 7988, 11982, 15976, 17973, 23964, 35946, 47928, 71892, 143784]

約数ペア:

[(1, 143784), (2, 71892), (3, 47928), (4, 35946), (6, 23964), (8, 17973), (9, 15976), (12, 11982), (18, 7988), (24, 5991), (36, 3994), (72, 1997)]