247788321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{66449}}^1$

素因数の和:66576

約数の個数: 16

約数和(自身を含む): 363614400

約数和(自身を除く): 115826079

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 66449, 199347, 730939, 2192817, 7508737, 22526211, 82596107, 247788321]

約数ペア:

[(1, 247788321), (3, 82596107), (11, 22526211), (33, 7508737), (113, 2192817), (339, 730939), (1243, 199347), (3729, 66449)]