81603999

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4283}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 123636240

約数和(自身を除く): 42032241

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 2117, 4283, 6351, 12849, 19053, 38547, 124207, 312659, 372621, 937977, 1117863, 2813931, 9067111, 27201333, 81603999]

約数ペア:

[(1, 81603999), (3, 27201333), (9, 9067111), (29, 2813931), (73, 1117863), (87, 937977), (219, 372621), (261, 312659), (657, 124207), (2117, 38547), (4283, 19053), (6351, 12849)]