249291297

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{70481}}^1$

素因数の和:70621

約数の個数: 16

約数和(自身を含む): 372144960

約数和(自身を除く): 122853663

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 70481, 211443, 634329, 1902987, 9233011, 27699033, 83097099, 249291297]

約数ペア:

[(1, 249291297), (3, 83097099), (9, 27699033), (27, 9233011), (131, 1902987), (393, 634329), (1179, 211443), (3537, 70481)]