205040913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 375889920

約数和(自身を除く): 170849007

約数列:

[1, 3, 7, 11, 19, 21, 31, 33, 57, 77, 93, 121, 133, 137, 209, 217, 231, 341, 363, 399, 411, 589, 627, 651, 847, 959, 1023, 1463, 1507, 1767, 2299, 2387, 2541, 2603, 2877, 3751, 4123, 4247, 4389, 4521, 6479, 6897, 7161, 7809, 10549, 11253, 12369, 12741, 16093, 16577, 18221, 19437, 26257, 28633, 29729, 31647, 45353, 46717, 48279, 49731, 54663, 71269, 78771, 80693, 85899, 89187, 116039, 136059, 140151, 200431, 213807, 242079, 314963, 327019, 348117, 498883, 513887, 564851, 601293, 887623, 944889, 981057, 1496649, 1541661, 1694553, 2204741, 2662869, 3597209, 6213361, 6614223, 9763853, 10791627, 18640083, 29291559, 68346971, 205040913]

約数ペア:

[(1, 205040913), (3, 68346971), (7, 29291559), (11, 18640083), (19, 10791627), (21, 9763853), (31, 6614223), (33, 6213361), (57, 3597209), (77, 2662869), (93, 2204741), (121, 1694553), (133, 1541661), (137, 1496649), (209, 981057), (217, 944889), (231, 887623), (341, 601293), (363, 564851), (399, 513887), (411, 498883), (589, 348117), (627, 327019), (651, 314963), (847, 242079), (959, 213807), (1023, 200431), (1463, 140151), (1507, 136059), (1767, 116039), (2299, 89187), (2387, 85899), (2541, 80693), (2603, 78771), (2877, 71269), (3751, 54663), (4123, 49731), (4247, 48279), (4389, 46717), (4521, 45353), (6479, 31647), (6897, 29729), (7161, 28633), (7809, 26257), (10549, 19437), (11253, 18221), (12369, 16577), (12741, 16093)]