208885443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 326785536

約数和(自身を除く): 117900093

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 289, 431, 559, 663, 731, 867, 1293, 1677, 2193, 3757, 5603, 7327, 9503, 11271, 12427, 16809, 18533, 21981, 28509, 37281, 55599, 95251, 124559, 161551, 240929, 285753, 315061, 373677, 484653, 722787, 945183, 1619267, 4095793, 4857801, 5356037, 12287379, 16068111, 69628481, 208885443]

約数ペア:

[(1, 208885443), (3, 69628481), (13, 16068111), (17, 12287379), (39, 5356037), (43, 4857801), (51, 4095793), (129, 1619267), (221, 945183), (289, 722787), (431, 484653), (559, 373677), (663, 315061), (731, 285753), (867, 240929), (1293, 161551), (1677, 124559), (2193, 95251), (3757, 55599), (5603, 37281), (7327, 28509), (9503, 21981), (11271, 18533), (12427, 16809)]