81271106

素因数分解:

$2^1\times 7^3\times {\mathrm{118471}}^1$

素因数の和:118494

約数の個数: 16

約数和(自身を含む): 142166400

約数和(自身を除く): 60895294

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 118471, 236942, 829297, 1658594, 5805079, 11610158, 40635553, 81271106]

約数ペア:

[(1, 81271106), (2, 40635553), (7, 11610158), (14, 5805079), (49, 1658594), (98, 829297), (343, 236942), (686, 118471)]