807081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 1207488

約数和(自身を除く): 400407

約数列:

[1, 3, 11, 33, 37, 111, 407, 661, 1221, 1983, 7271, 21813, 24457, 73371, 269027, 807081]

約数ペア:

[(1, 807081), (3, 269027), (11, 73371), (33, 24457), (37, 21813), (111, 7271), (407, 1983), (661, 1221)]