208807713

素因数分解:

$3^5\times {\mathrm{173}}^1\times {\mathrm{4967}}^1$

素因数の和:5155

約数の個数: 24

約数和(自身を含む): 314653248

約数和(自身を除く): 105845535

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 1557, 4671, 4967, 14013, 14901, 42039, 44703, 134109, 402327, 859291, 1206981, 2577873, 7733619, 23200857, 69602571, 208807713]

約数ペア:

[(1, 208807713), (3, 69602571), (9, 23200857), (27, 7733619), (81, 2577873), (173, 1206981), (243, 859291), (519, 402327), (1557, 134109), (4671, 44703), (4967, 42039), (14013, 14901)]