207663309

素因数分解:

$3^2\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{2153}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 343192512

約数和(自身を除く): 135529203

約数列:

[1, 3, 7, 9, 21, 63, 1531, 2153, 4593, 6459, 10717, 13779, 15071, 19377, 32151, 45213, 96453, 135639, 3296243, 9888729, 23073701, 29666187, 69221103, 207663309]

約数ペア:

[(1, 207663309), (3, 69221103), (7, 29666187), (9, 23073701), (21, 9888729), (63, 3296243), (1531, 135639), (2153, 96453), (4593, 45213), (6459, 32151), (10717, 19377), (13779, 15071)]