85403871

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6079}}^1$

素因数の和:6315

約数の個数: 24

約数和(自身を含む): 141639680

約数和(自身を除く): 56235809

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 6079, 14049, 18237, 42553, 54711, 127659, 382977, 1355617, 4066851, 9489319, 12200553, 28467957, 85403871]

約数ペア:

[(1, 85403871), (3, 28467957), (7, 12200553), (9, 9489319), (21, 4066851), (63, 1355617), (223, 382977), (669, 127659), (1561, 54711), (2007, 42553), (4683, 18237), (6079, 14049)]