81269391

素因数分解:

$3^1\times 7^3\times {\mathrm{78979}}^1$

素因数の和:79003

約数の個数: 16

約数和(自身を含む): 126368000

約数和(自身を除く): 45098609

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 78979, 236937, 552853, 1658559, 3869971, 11609913, 27089797, 81269391]

約数ペア:

[(1, 81269391), (3, 27089797), (7, 11609913), (21, 3869971), (49, 1658559), (147, 552853), (343, 236937), (1029, 78979)]