28427757

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6263}}^1$

素因数の和:6372

約数の個数: 16

約数和(自身を含む): 40590720

約数和(自身を除く): 12162963

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 6263, 18789, 106471, 319413, 557407, 1672221, 9475919, 28427757]

約数ペア:

[(1, 28427757), (3, 9475919), (17, 1672221), (51, 557407), (89, 319413), (267, 106471), (1513, 18789), (4539, 6263)]