155111977

素因数分解:

${\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 165045888

約数和(自身を除く): 9933911

約数列:

[1, 23, 83, 193, 421, 1909, 4439, 9683, 16019, 34943, 81253, 368437, 803689, 1868819, 6743999, 155111977]

約数ペア:

[(1, 155111977), (23, 6743999), (83, 1868819), (193, 803689), (421, 368437), (1909, 81253), (4439, 34943), (9683, 16019)]