220679985

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 359936640

約数和(自身を除く): 139256655

約数列:

[1, 3, 5, 15, 83, 157, 249, 415, 471, 785, 1129, 1245, 2355, 3387, 5645, 13031, 16935, 39093, 65155, 93707, 177253, 195465, 281121, 468535, 531759, 886265, 1405605, 2658795, 14711999, 44135997, 73559995, 220679985]

約数ペア:

[(1, 220679985), (3, 73559995), (5, 44135997), (15, 14711999), (83, 2658795), (157, 1405605), (249, 886265), (415, 531759), (471, 468535), (785, 281121), (1129, 195465), (1245, 177253), (2355, 93707), (3387, 65155), (5645, 39093), (13031, 16935)]