31980105

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10607}}^1$

素因数の和:10685

約数の個数: 24

約数和(自身を含む): 56264832

約数和(自身を除く): 24284727

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 10607, 31821, 53035, 95463, 159105, 477315, 710669, 2132007, 3553345, 6396021, 10660035, 31980105]

約数ペア:

[(1, 31980105), (3, 10660035), (5, 6396021), (9, 3553345), (15, 2132007), (45, 710669), (67, 477315), (201, 159105), (335, 95463), (603, 53035), (1005, 31821), (3015, 10607)]