888978981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{402071}}^1$

素因数の和:402152

約数の個数: 16

約数和(自身を含む): 1312363008

約数和(自身を除く): 423384027

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 402071, 1206213, 4422781, 13268343, 26938757, 80816271, 296326327, 888978981]

約数ペア:

[(1, 888978981), (3, 296326327), (11, 80816271), (33, 26938757), (67, 13268343), (201, 4422781), (737, 1206213), (2211, 402071)]