71718021

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{17827}}^1$

素因数の和:17985

約数の個数: 16

約数和(自身を含む): 106968000

約数和(自身を除く): 35249979

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 17827, 53481, 160443, 481329, 2656223, 7968669, 23906007, 71718021]

約数ペア:

[(1, 71718021), (3, 23906007), (9, 7968669), (27, 2656223), (149, 481329), (447, 160443), (1341, 53481), (4023, 17827)]