647028

素因数分解:

$2^2\times 3^4\times {\mathrm{1997}}^1$

素因数の和:2013

約数の個数: 30

約数和(自身を含む): 1692306

約数和(自身を除く): 1045278

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1997, 3994, 5991, 7988, 11982, 17973, 23964, 35946, 53919, 71892, 107838, 161757, 215676, 323514, 647028]

約数ペア:

[(1, 647028), (2, 323514), (3, 215676), (4, 161757), (6, 107838), (9, 71892), (12, 53919), (18, 35946), (27, 23964), (36, 17973), (54, 11982), (81, 7988), (108, 5991), (162, 3994), (324, 1997)]