242567871

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2857}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 399479808

約数和(自身を除く): 156911937

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 311, 933, 2177, 2857, 4043, 6531, 8571, 12129, 19999, 28301, 37141, 59997, 84903, 111423, 259987, 779961, 888527, 2665581, 6219689, 11550851, 18659067, 34652553, 80855957, 242567871]

約数ペア:

[(1, 242567871), (3, 80855957), (7, 34652553), (13, 18659067), (21, 11550851), (39, 6219689), (91, 2665581), (273, 888527), (311, 779961), (933, 259987), (2177, 111423), (2857, 84903), (4043, 59997), (6531, 37141), (8571, 28301), (12129, 19999)]