156936981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 224824320

約数和(自身を除く): 67887339

約数列:

[1, 3, 23, 67, 69, 83, 201, 249, 409, 1227, 1541, 1909, 4623, 5561, 5727, 9407, 16683, 27403, 28221, 33947, 82209, 101841, 127903, 383709, 630269, 780781, 1890807, 2274449, 2342343, 6823347, 52312327, 156936981]

約数ペア:

[(1, 156936981), (3, 52312327), (23, 6823347), (67, 2342343), (69, 2274449), (83, 1890807), (201, 780781), (249, 630269), (409, 383709), (1227, 127903), (1541, 101841), (1909, 82209), (4623, 33947), (5561, 28221), (5727, 27403), (9407, 16683)]