133291991

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 154752000

約数和(自身を除く): 21460009

約数列:

[1, 7, 103, 199, 721, 929, 1393, 6503, 20497, 95687, 143479, 184871, 669809, 1294097, 19041713, 133291991]

約数ペア:

[(1, 133291991), (7, 19041713), (103, 1294097), (199, 669809), (721, 184871), (929, 143479), (1393, 95687), (6503, 20497)]