338766561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7649}}^1$

素因数の和:7718

約数の個数: 48

約数和(自身を含む): 604656000

約数和(自身を除く): 265889439

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 2109, 2331, 4921, 6327, 7649, 14763, 22947, 44289, 53543, 68841, 145331, 160629, 283013, 435993, 481887, 849039, 1017317, 1307979, 1981091, 2547117, 3051951, 5377247, 5943273, 9155853, 16131741, 17829819, 37640729, 48395223, 112922187, 338766561]

約数ペア:

[(1, 338766561), (3, 112922187), (7, 48395223), (9, 37640729), (19, 17829819), (21, 16131741), (37, 9155853), (57, 5943273), (63, 5377247), (111, 3051951), (133, 2547117), (171, 1981091), (259, 1307979), (333, 1017317), (399, 849039), (703, 481887), (777, 435993), (1197, 283013), (2109, 160629), (2331, 145331), (4921, 68841), (6327, 53543), (7649, 44289), (14763, 22947)]