31840221

素因数分解:

$3^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1721}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 48601728

約数和(自身を除く): 16761507

約数列:

[1, 3, 7, 21, 881, 1721, 2643, 5163, 6167, 12047, 18501, 36141, 1516201, 4548603, 10613407, 31840221]

約数ペア:

[(1, 31840221), (3, 10613407), (7, 4548603), (21, 1516201), (881, 36141), (1721, 18501), (2643, 12047), (5163, 6167)]