131491305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 278853120

約数和(自身を除く): 147361815

約数列:

[1, 3, 5, 9, 11, 15, 19, 31, 33, 41, 45, 55, 57, 93, 95, 99, 121, 123, 155, 165, 171, 205, 209, 279, 285, 341, 363, 369, 451, 465, 495, 589, 605, 615, 627, 779, 855, 1023, 1045, 1089, 1271, 1353, 1395, 1705, 1767, 1815, 1845, 1881, 2255, 2299, 2337, 2945, 3069, 3135, 3751, 3813, 3895, 4059, 4961, 5115, 5301, 5445, 6355, 6479, 6765, 6897, 7011, 8569, 8835, 9405, 11253, 11439, 11495, 11685, 13981, 14883, 15345, 18755, 19065, 19437, 20295, 20691, 24149, 24805, 25707, 26505, 32395, 33759, 34485, 35055, 41943, 42845, 44649, 56265, 57195, 58311, 69905, 71269, 72447, 74415, 77121, 94259, 97185, 103455, 120745, 125829, 128535, 153791, 168795, 209715, 213807, 217341, 223245, 265639, 282777, 291555, 356345, 362235, 385605, 461373, 471295, 629145, 641421, 768955, 796917, 848331, 1069035, 1086705, 1328195, 1384119, 1413885, 2306865, 2390751, 2922029, 3207105, 3984585, 4241655, 6920595, 8766087, 11953755, 14610145, 26298261, 43830435, 131491305]

約数ペア:

[(1, 131491305), (3, 43830435), (5, 26298261), (9, 14610145), (11, 11953755), (15, 8766087), (19, 6920595), (31, 4241655), (33, 3984585), (41, 3207105), (45, 2922029), (55, 2390751), (57, 2306865), (93, 1413885), (95, 1384119), (99, 1328195), (121, 1086705), (123, 1069035), (155, 848331), (165, 796917), (171, 768955), (205, 641421), (209, 629145), (279, 471295), (285, 461373), (341, 385605), (363, 362235), (369, 356345), (451, 291555), (465, 282777), (495, 265639), (589, 223245), (605, 217341), (615, 213807), (627, 209715), (779, 168795), (855, 153791), (1023, 128535), (1045, 125829), (1089, 120745), (1271, 103455), (1353, 97185), (1395, 94259), (1705, 77121), (1767, 74415), (1815, 72447), (1845, 71269), (1881, 69905), (2255, 58311), (2299, 57195), (2337, 56265), (2945, 44649), (3069, 42845), (3135, 41943), (3751, 35055), (3813, 34485), (3895, 33759), (4059, 32395), (4961, 26505), (5115, 25707), (5301, 24805), (5445, 24149), (6355, 20691), (6479, 20295), (6765, 19437), (6897, 19065), (7011, 18755), (8569, 15345), (8835, 14883), (9405, 13981), (11253, 11685), (11439, 11495)]