28978875

素因数分解:

$3^2\times 5^3\times {\mathrm{25759}}^1$

素因数の和:25780

約数の個数: 24

約数和(自身を含む): 52241280

約数和(自身を除く): 23262405

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 25759, 77277, 128795, 231831, 386385, 643975, 1159155, 1931925, 3219875, 5795775, 9659625, 28978875]

約数ペア:

[(1, 28978875), (3, 9659625), (5, 5795775), (9, 3219875), (15, 1931925), (25, 1159155), (45, 643975), (75, 386385), (125, 231831), (225, 128795), (375, 77277), (1125, 25759)]