217966287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{4889}}^1$

素因数の和:5103

約数の個数: 32

約数和(自身を含む): 364285440

約数和(自身を除く): 146319153

約数列:

[1, 3, 7, 11, 21, 33, 77, 193, 231, 579, 1351, 2123, 4053, 4889, 6369, 14667, 14861, 34223, 44583, 53779, 102669, 161337, 376453, 943577, 1129359, 2830731, 6605039, 10379347, 19815117, 31138041, 72655429, 217966287]

約数ペア:

[(1, 217966287), (3, 72655429), (7, 31138041), (11, 19815117), (21, 10379347), (33, 6605039), (77, 2830731), (193, 1129359), (231, 943577), (579, 376453), (1351, 161337), (2123, 102669), (4053, 53779), (4889, 44583), (6369, 34223), (14667, 14861)]