18027513

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4691}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 30254016

約数和(自身を除く): 12226503

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4691, 14073, 32837, 42219, 98511, 286151, 295533, 858453, 2003057, 2575359, 6009171, 18027513]

約数ペア:

[(1, 18027513), (3, 6009171), (7, 2575359), (9, 2003057), (21, 858453), (61, 295533), (63, 286151), (183, 98511), (427, 42219), (549, 32837), (1281, 14073), (3843, 4691)]