11788821

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 19549728

約数和(自身を除く): 7760907

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 101, 131, 297, 303, 393, 891, 909, 1111, 1179, 1441, 2727, 3333, 3537, 4323, 8181, 9999, 10611, 12969, 13231, 29997, 38907, 39693, 89991, 116721, 119079, 145541, 357237, 436623, 1071711, 1309869, 3929607, 11788821]

約数ペア:

[(1, 11788821), (3, 3929607), (9, 1309869), (11, 1071711), (27, 436623), (33, 357237), (81, 145541), (99, 119079), (101, 116721), (131, 89991), (297, 39693), (303, 38907), (393, 29997), (891, 13231), (909, 12969), (1111, 10611), (1179, 9999), (1441, 8181), (2727, 4323), (3333, 3537)]