28513245

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 47464704

約数和(自身を除く): 18951459

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 653, 1065, 1959, 2911, 3265, 8733, 9795, 14555, 26773, 43665, 46363, 80319, 133865, 139089, 231815, 401595, 695445, 1900883, 5702649, 9504415, 28513245]

約数ペア:

[(1, 28513245), (3, 9504415), (5, 5702649), (15, 1900883), (41, 695445), (71, 401595), (123, 231815), (205, 139089), (213, 133865), (355, 80319), (615, 46363), (653, 43665), (1065, 26773), (1959, 14555), (2911, 9795), (3265, 8733)]