8181621

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 14065920

約数和(自身を除く): 5884299

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 593, 657, 1533, 1779, 1971, 4151, 4599, 5337, 12453, 13797, 16011, 37359, 43289, 112077, 129867, 303023, 389601, 909069, 1168803, 2727207, 8181621]

約数ペア:

[(1, 8181621), (3, 2727207), (7, 1168803), (9, 909069), (21, 389601), (27, 303023), (63, 129867), (73, 112077), (189, 43289), (219, 37359), (511, 16011), (593, 13797), (657, 12453), (1533, 5337), (1779, 4599), (1971, 4151)]