289631421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 456456000

約数和(自身を除く): 166824579

約数列:

[1, 3, 9, 19, 41, 57, 109, 123, 171, 327, 369, 379, 779, 981, 1137, 2071, 2337, 3411, 4469, 6213, 7011, 7201, 13407, 15539, 18639, 21603, 40221, 41311, 46617, 64809, 84911, 123933, 139851, 254733, 295241, 371799, 764199, 784909, 885723, 1693751, 2354727, 2657169, 5081253, 7064181, 15243759, 32181269, 96543807, 289631421]

約数ペア:

[(1, 289631421), (3, 96543807), (9, 32181269), (19, 15243759), (41, 7064181), (57, 5081253), (109, 2657169), (123, 2354727), (171, 1693751), (327, 885723), (369, 784909), (379, 764199), (779, 371799), (981, 295241), (1137, 254733), (2071, 139851), (2337, 123933), (3411, 84911), (4469, 64809), (6213, 46617), (7011, 41311), (7201, 40221), (13407, 21603), (15539, 18639)]