57720159

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2087}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 95546880

約数和(自身を除く): 37826721

約数列:

[1, 3, 7, 9, 21, 63, 439, 1317, 2087, 3073, 3951, 6261, 9219, 14609, 18783, 27657, 43827, 131481, 916193, 2748579, 6413351, 8245737, 19240053, 57720159]

約数ペア:

[(1, 57720159), (3, 19240053), (7, 8245737), (9, 6413351), (21, 2748579), (63, 916193), (439, 131481), (1317, 43827), (2087, 27657), (3073, 18783), (3951, 14609), (6261, 9219)]