2655513

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 4462016

約数和(自身を除く): 1806503

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 691, 1281, 2073, 3843, 4837, 6219, 14511, 42151, 43533, 126453, 295057, 379359, 885171, 2655513]

約数ペア:

[(1, 2655513), (3, 885171), (7, 379359), (9, 295057), (21, 126453), (61, 43533), (63, 42151), (183, 14511), (427, 6219), (549, 4837), (691, 3843), (1281, 2073)]