18100089

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9907}}^1$

素因数の和:9949

約数の個数: 24

約数和(自身を含む): 30912960

約数和(自身を除く): 12812871

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 9907, 29721, 69349, 89163, 208047, 287303, 624141, 861909, 2011121, 2585727, 6033363, 18100089]

約数ペア:

[(1, 18100089), (3, 6033363), (7, 2585727), (9, 2011121), (21, 861909), (29, 624141), (63, 287303), (87, 208047), (203, 89163), (261, 69349), (609, 29721), (1827, 9907)]