1997487

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:619

約数の個数: 16

約数和(自身を含む): 2983680

約数和(自身を除く): 986193

約数列:

[1, 3, 9, 27, 167, 443, 501, 1329, 1503, 3987, 4509, 11961, 73981, 221943, 665829, 1997487]

約数ペア:

[(1, 1997487), (3, 665829), (9, 221943), (27, 73981), (167, 11961), (443, 4509), (501, 3987), (1329, 1503)]