81671331

素因数分解:

$3^1\times 7^1\times {\mathrm{1667}}^1\times {\mathrm{2333}}^1$

素因数の和:4010

約数の個数: 16

約数和(自身を含む): 124579584

約数和(自身を除く): 42908253

約数列:

[1, 3, 7, 21, 1667, 2333, 5001, 6999, 11669, 16331, 35007, 48993, 3889111, 11667333, 27223777, 81671331]

約数ペア:

[(1, 81671331), (3, 27223777), (7, 11667333), (21, 3889111), (1667, 48993), (2333, 35007), (5001, 16331), (6999, 11669)]