39955839

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{172969}}^1$

素因数の和:172990

約数の個数: 16

約数和(自身を含む): 66420480

約数和(自身を除く): 26464641

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 172969, 518907, 1210783, 1902659, 3632349, 5707977, 13318613, 39955839]

約数ペア:

[(1, 39955839), (3, 13318613), (7, 5707977), (11, 3632349), (21, 1902659), (33, 1210783), (77, 518907), (231, 172969)]