18282789

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10007}}^1$

素因数の和:10049

約数の個数: 24

約数和(自身を含む): 31224960

約数和(自身を除く): 12942171

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10007, 30021, 70049, 90063, 210147, 290203, 630441, 870609, 2031421, 2611827, 6094263, 18282789]

約数ペア:

[(1, 18282789), (3, 6094263), (7, 2611827), (9, 2031421), (21, 870609), (29, 630441), (63, 290203), (87, 210147), (203, 90063), (261, 70049), (609, 30021), (1827, 10007)]