163949775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 313479936

約数和(自身を除く): 149530161

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 41, 55, 75, 111, 123, 131, 165, 185, 205, 275, 393, 407, 451, 555, 615, 655, 825, 925, 1025, 1221, 1353, 1441, 1517, 1965, 2035, 2255, 2775, 3075, 3275, 4323, 4551, 4847, 5371, 6105, 6765, 7205, 7585, 9825, 10175, 11275, 14541, 16113, 16687, 21615, 22755, 24235, 26855, 30525, 33825, 36025, 37925, 50061, 53317, 59081, 72705, 80565, 83435, 108075, 113775, 121175, 134275, 159951, 177243, 198727, 250305, 266585, 295405, 363525, 402825, 417175, 596181, 799755, 886215, 993635, 1251525, 1332925, 1477025, 2185997, 2980905, 3998775, 4431075, 4968175, 6557991, 10929985, 14904525, 32789955, 54649925, 163949775]

約数ペア:

[(1, 163949775), (3, 54649925), (5, 32789955), (11, 14904525), (15, 10929985), (25, 6557991), (33, 4968175), (37, 4431075), (41, 3998775), (55, 2980905), (75, 2185997), (111, 1477025), (123, 1332925), (131, 1251525), (165, 993635), (185, 886215), (205, 799755), (275, 596181), (393, 417175), (407, 402825), (451, 363525), (555, 295405), (615, 266585), (655, 250305), (825, 198727), (925, 177243), (1025, 159951), (1221, 134275), (1353, 121175), (1441, 113775), (1517, 108075), (1965, 83435), (2035, 80565), (2255, 72705), (2775, 59081), (3075, 53317), (3275, 50061), (4323, 37925), (4551, 36025), (4847, 33825), (5371, 30525), (6105, 26855), (6765, 24235), (7205, 22755), (7585, 21615), (9825, 16687), (10175, 16113), (11275, 14541)]