28128591

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1171}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 43331184

約数和(自身を除く): 15202593

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1171, 1413, 2669, 3513, 8007, 10539, 19907, 24021, 59721, 179163, 183847, 551541, 1654623, 3125399, 9376197, 28128591]

約数ペア:

[(1, 28128591), (3, 9376197), (9, 3125399), (17, 1654623), (51, 551541), (153, 183847), (157, 179163), (471, 59721), (1171, 24021), (1413, 19907), (2669, 10539), (3513, 8007)]