293828787

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{245471}}^1$

素因数の和:245503

約数の個数: 24

約数和(自身を含む): 510581760

約数和(自身を除く): 216752973

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 245471, 736413, 1718297, 2209239, 4663949, 5154891, 13991847, 15464673, 32647643, 41975541, 97942929, 293828787]

約数ペア:

[(1, 293828787), (3, 97942929), (7, 41975541), (9, 32647643), (19, 15464673), (21, 13991847), (57, 5154891), (63, 4663949), (133, 2209239), (171, 1718297), (399, 736413), (1197, 245471)]