201947913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{4217}}^1$

素因数の和:4553

約数の個数: 24

約数和(自身を含む): 309921768

約数和(自身を除く): 107973855

約数列:

[1, 3, 9, 17, 51, 153, 313, 939, 2817, 4217, 5321, 12651, 15963, 37953, 47889, 71689, 215067, 645201, 1319921, 3959763, 11879289, 22438657, 67315971, 201947913]

約数ペア:

[(1, 201947913), (3, 67315971), (9, 22438657), (17, 11879289), (51, 3959763), (153, 1319921), (313, 645201), (939, 215067), (2817, 71689), (4217, 47889), (5321, 37953), (12651, 15963)]