248880219

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{90469}}^1$

素因数の和:90610

約数の個数: 16

約数和(自身を含む): 382145280

約数和(自身を除く): 133265061

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 90469, 271407, 633283, 1899849, 11851439, 35554317, 82960073, 248880219]

約数ペア:

[(1, 248880219), (3, 82960073), (7, 35554317), (21, 11851439), (131, 1899849), (393, 633283), (917, 271407), (2751, 90469)]