1971790203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{544543}}^1$

素因数の和:544634

約数の個数: 16

約数和(自身を含む): 2822916096

約数和(自身を除く): 851125893

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 544543, 1633629, 9257231, 27771693, 38662553, 115987659, 657263401, 1971790203]

約数ペア:

[(1, 1971790203), (3, 657263401), (17, 115987659), (51, 38662553), (71, 27771693), (213, 9257231), (1207, 1633629), (3621, 544543)]