81266805

素因数分解:

$3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1907}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 141085152

約数和(自身を除く): 59818347

約数列:

[1, 3, 5, 9, 15, 45, 947, 1907, 2841, 4735, 5721, 8523, 9535, 14205, 17163, 28605, 42615, 85815, 1805929, 5417787, 9029645, 16253361, 27088935, 81266805]

約数ペア:

[(1, 81266805), (3, 27088935), (5, 16253361), (9, 9029645), (15, 5417787), (45, 1805929), (947, 85815), (1907, 42615), (2841, 28605), (4735, 17163), (5721, 14205), (8523, 9535)]