123020991

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{239807}}^1$

素因数の和:239835

約数の個数: 16

約数和(自身を含む): 191846400

約数和(自身を除く): 68825409

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 239807, 719421, 2158263, 4556333, 6474789, 13668999, 41006997, 123020991]

約数ペア:

[(1, 123020991), (3, 41006997), (9, 13668999), (19, 6474789), (27, 4556333), (57, 2158263), (171, 719421), (513, 239807)]