208962819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{8009}}^1$

素因数の和:8251

約数の個数: 24

約数和(自身を含む): 326551680

約数和(自身を除く): 117588861

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 2007, 2899, 8009, 8697, 24027, 26091, 72081, 104117, 312351, 937053, 1786007, 5358021, 16074063, 23218091, 69654273, 208962819]

約数ペア:

[(1, 208962819), (3, 69654273), (9, 23218091), (13, 16074063), (39, 5358021), (117, 1786007), (223, 937053), (669, 312351), (2007, 104117), (2899, 72081), (8009, 26091), (8697, 24027)]