28329975

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 25697817

約数列:

[1, 3, 5, 9, 15, 25, 37, 41, 45, 75, 83, 111, 123, 185, 205, 225, 249, 333, 369, 415, 555, 615, 747, 925, 1025, 1245, 1517, 1665, 1845, 2075, 2775, 3071, 3075, 3403, 3735, 4551, 6225, 7585, 8325, 9213, 9225, 10209, 13653, 15355, 17015, 18675, 22755, 27639, 30627, 37925, 46065, 51045, 68265, 76775, 85075, 113775, 125911, 138195, 153135, 230325, 255225, 341325, 377733, 629555, 690975, 765675, 1133199, 1888665, 3147775, 5665995, 9443325, 28329975]

約数ペア:

[(1, 28329975), (3, 9443325), (5, 5665995), (9, 3147775), (15, 1888665), (25, 1133199), (37, 765675), (41, 690975), (45, 629555), (75, 377733), (83, 341325), (111, 255225), (123, 230325), (185, 153135), (205, 138195), (225, 125911), (249, 113775), (333, 85075), (369, 76775), (415, 68265), (555, 51045), (615, 46065), (747, 37925), (925, 30627), (1025, 27639), (1245, 22755), (1517, 18675), (1665, 17015), (1845, 15355), (2075, 13653), (2775, 10209), (3071, 9225), (3075, 9213), (3403, 8325), (3735, 7585), (4551, 6225)]