28301775

素因数分解:

$3^1\times 5^2\times {\mathrm{353}}^1\times {\mathrm{1069}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 46968720

約数和(自身を除く): 18666945

約数列:

[1, 3, 5, 15, 25, 75, 353, 1059, 1069, 1765, 3207, 5295, 5345, 8825, 16035, 26475, 26725, 80175, 377357, 1132071, 1886785, 5660355, 9433925, 28301775]

約数ペア:

[(1, 28301775), (3, 9433925), (5, 5660355), (15, 1886785), (25, 1132071), (75, 377357), (353, 80175), (1059, 26725), (1069, 26475), (1765, 16035), (3207, 8825), (5295, 5345)]