18201663

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 27243216

約数和(自身を除く): 9041553

約数列:

[1, 3, 9, 41, 107, 123, 321, 369, 461, 963, 1383, 4149, 4387, 13161, 18901, 39483, 49327, 56703, 147981, 170109, 443943, 2022407, 6067221, 18201663]

約数ペア:

[(1, 18201663), (3, 6067221), (9, 2022407), (41, 443943), (107, 170109), (123, 147981), (321, 56703), (369, 49327), (461, 39483), (963, 18901), (1383, 13161), (4149, 4387)]