31193211

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20921}}^1$

素因数の和:21002

約数の個数: 16

約数和(自身を含む): 48204288

約数和(自身を除く): 17011077

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 20921, 62763, 146447, 439341, 1485391, 4456173, 10397737, 31193211]

約数ペア:

[(1, 31193211), (3, 10397737), (7, 4456173), (21, 1485391), (71, 439341), (213, 146447), (497, 62763), (1491, 20921)]