64680231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{280001}}^1$

素因数の和:280022

約数の個数: 16

約数和(自身を含む): 107520768

約数和(自身を除く): 42840537

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 280001, 840003, 1960007, 3080011, 5880021, 9240033, 21560077, 64680231]

約数ペア:

[(1, 64680231), (3, 21560077), (7, 9240033), (11, 5880021), (21, 3080011), (33, 1960007), (77, 840003), (231, 280001)]