28125945

素因数分解:

$3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1013}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 48878856

約数和(自身を除く): 20752911

約数列:

[1, 3, 5, 9, 15, 45, 617, 1013, 1851, 3039, 3085, 5065, 5553, 9117, 9255, 15195, 27765, 45585, 625021, 1875063, 3125105, 5625189, 9375315, 28125945]

約数ペア:

[(1, 28125945), (3, 9375315), (5, 5625189), (9, 3125105), (15, 1875063), (45, 625021), (617, 45585), (1013, 27765), (1851, 15195), (3039, 9255), (3085, 9117), (5065, 5553)]