18022347

素因数分解:

$3^2\times 7^2\times {\mathrm{40867}}^1$

素因数の和:40887

約数の個数: 18

約数和(自身を含む): 30283188

約数和(自身を除く): 12260841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 40867, 122601, 286069, 367803, 858207, 2002483, 2574621, 6007449, 18022347]

約数ペア:

[(1, 18022347), (3, 6007449), (7, 2574621), (9, 2002483), (21, 858207), (49, 367803), (63, 286069), (147, 122601), (441, 40867)]