208041525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21503}}^1$

素因数の和:21562

約数の個数: 36

約数和(自身を含む): 381308928

約数和(自身を除く): 173267403

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 21503, 64509, 107515, 193527, 322545, 537575, 924629, 967635, 1612725, 2773887, 4623145, 4838175, 8321661, 13869435, 23115725, 41608305, 69347175, 208041525]

約数ペア:

[(1, 208041525), (3, 69347175), (5, 41608305), (9, 23115725), (15, 13869435), (25, 8321661), (43, 4838175), (45, 4623145), (75, 2773887), (129, 1612725), (215, 967635), (225, 924629), (387, 537575), (645, 322545), (1075, 193527), (1935, 107515), (3225, 64509), (9675, 21503)]