81315925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 106314624

約数和(自身を除く): 24998699

約数列:

[1, 5, 23, 25, 103, 115, 515, 575, 1373, 2369, 2575, 6865, 11845, 31579, 34325, 59225, 141419, 157895, 707095, 789475, 3252637, 3535475, 16263185, 81315925]

約数ペア:

[(1, 81315925), (5, 16263185), (23, 3535475), (25, 3252637), (103, 789475), (115, 707095), (515, 157895), (575, 141419), (1373, 59225), (2369, 34325), (2575, 31579), (6865, 11845)]