25123605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 45575040

約数和(自身を除く): 20451435

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 6781, 20343, 33905, 88153, 101715, 128839, 264459, 386517, 440765, 644195, 1322295, 1674907, 1932585, 5024721, 8374535, 25123605]

約数ペア:

[(1, 25123605), (3, 8374535), (5, 5024721), (13, 1932585), (15, 1674907), (19, 1322295), (39, 644195), (57, 440765), (65, 386517), (95, 264459), (195, 128839), (247, 101715), (285, 88153), (741, 33905), (1235, 20343), (3705, 6781)]