16143981

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 26016000

約数和(自身を除く): 9872019

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 541, 609, 1029, 1421, 1623, 3787, 4263, 9947, 11361, 15689, 26509, 29841, 47067, 79527, 109823, 185563, 329469, 556689, 768761, 2306283, 5381327, 16143981]

約数ペア:

[(1, 16143981), (3, 5381327), (7, 2306283), (21, 768761), (29, 556689), (49, 329469), (87, 185563), (147, 109823), (203, 79527), (343, 47067), (541, 29841), (609, 26509), (1029, 15689), (1421, 11361), (1623, 9947), (3787, 4263)]