18142803

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4721}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 30447456

約数和(自身を除く): 12304653

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4721, 14163, 33047, 42489, 99141, 287981, 297423, 863943, 2015867, 2591829, 6047601, 18142803]

約数ペア:

[(1, 18142803), (3, 6047601), (7, 2591829), (9, 2015867), (21, 863943), (61, 297423), (63, 287981), (183, 99141), (427, 42489), (549, 33047), (1281, 14163), (3843, 4721)]