28719525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16649}}^1$

素因数の和:16685

約数の個数: 24

約数和(自身を含む): 49550400

約数和(自身を除く): 20830875

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16649, 49947, 83245, 249735, 382927, 416225, 1148781, 1248675, 1914635, 5743905, 9573175, 28719525]

約数ペア:

[(1, 28719525), (3, 9573175), (5, 5743905), (15, 1914635), (23, 1248675), (25, 1148781), (69, 416225), (75, 382927), (115, 249735), (345, 83245), (575, 49947), (1725, 16649)]