161980815

素因数分解:

$3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{64663}}^1$

素因数の和:64838

約数の個数: 16

約数和(自身を含む): 260725248

約数和(自身を除く): 98744433

約数列:

[1, 3, 5, 15, 167, 501, 835, 2505, 64663, 193989, 323315, 969945, 10798721, 32396163, 53993605, 161980815]

約数ペア:

[(1, 161980815), (3, 53993605), (5, 32396163), (15, 10798721), (167, 969945), (501, 323315), (835, 193989), (2505, 64663)]