28097175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22037}}^1$

素因数の和:22067

約数の個数: 24

約数和(自身を含む): 49188816

約数和(自身を除く): 21091641

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22037, 66111, 110185, 330555, 374629, 550925, 1123887, 1652775, 1873145, 5619435, 9365725, 28097175]

約数ペア:

[(1, 28097175), (3, 9365725), (5, 5619435), (15, 1873145), (17, 1652775), (25, 1123887), (51, 550925), (75, 374629), (85, 330555), (255, 110185), (425, 66111), (1275, 22037)]