28579725

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3486

約数の個数: 36

約数和(自身を含む): 52588276

約数和(自身を除く): 24008551

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3433, 8325, 10299, 17165, 30897, 51495, 85825, 127021, 154485, 257475, 381063, 635105, 772425, 1143189, 1905315, 3175525, 5715945, 9526575, 28579725]

約数ペア:

[(1, 28579725), (3, 9526575), (5, 5715945), (9, 3175525), (15, 1905315), (25, 1143189), (37, 772425), (45, 635105), (75, 381063), (111, 257475), (185, 154485), (225, 127021), (333, 85825), (555, 51495), (925, 30897), (1665, 17165), (2775, 10299), (3433, 8325)]