16662807

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 28469760

約数和(自身を除く): 11806953

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 673, 917, 1179, 2019, 2751, 3537, 4711, 6057, 8253, 14133, 18171, 24759, 42399, 88163, 127197, 264489, 617141, 793467, 1851423, 2380401, 5554269, 16662807]

約数ペア:

[(1, 16662807), (3, 5554269), (7, 2380401), (9, 1851423), (21, 793467), (27, 617141), (63, 264489), (131, 127197), (189, 88163), (393, 42399), (673, 24759), (917, 18171), (1179, 14133), (2019, 8253), (2751, 6057), (3537, 4711)]