18169641

素因数分解:

$3^2\times 7^2\times {\mathrm{41201}}^1$

素因数の和:41221

約数の個数: 18

約数和(自身を含む): 30530682

約数和(自身を除く): 12361041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41201, 123603, 288407, 370809, 865221, 2018849, 2595663, 6056547, 18169641]

約数ペア:

[(1, 18169641), (3, 6056547), (7, 2595663), (9, 2018849), (21, 865221), (49, 370809), (63, 288407), (147, 123603), (441, 41201)]