11981787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 17003520

約数和(自身を除く): 5021733

約数列:

[1, 3, 17, 51, 239, 717, 983, 2949, 4063, 12189, 16711, 50133, 234937, 704811, 3993929, 11981787]

約数ペア:

[(1, 11981787), (3, 3993929), (17, 704811), (51, 234937), (239, 50133), (717, 16711), (983, 12189), (2949, 4063)]