51780681

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{100937}}^1$

素因数の和:100965

約数の個数: 16

約数和(自身を含む): 80750400

約数和(自身を除く): 28969719

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 100937, 302811, 908433, 1917803, 2725299, 5753409, 17260227, 51780681]

約数ペア:

[(1, 51780681), (3, 17260227), (9, 5753409), (19, 2725299), (27, 1917803), (57, 908433), (171, 302811), (513, 100937)]