18684621

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5449}}^1$

素因数の和:5585

約数の個数: 16

約数和(自身を含む): 27904000

約数和(自身を除く): 9219379

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5449, 16347, 49041, 147123, 692023, 2076069, 6228207, 18684621]

約数ペア:

[(1, 18684621), (3, 6228207), (9, 2076069), (27, 692023), (127, 147123), (381, 49041), (1143, 16347), (3429, 5449)]