81055947

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{2857}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 126415056

約数和(自身を除く): 45359109

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 2857, 4053, 8571, 9457, 19999, 28371, 59997, 139993, 419979, 551401, 1654203, 3859807, 11579421, 27018649, 81055947]

約数ペア:

[(1, 81055947), (3, 27018649), (7, 11579421), (21, 3859807), (49, 1654203), (147, 551401), (193, 419979), (579, 139993), (1351, 59997), (2857, 28371), (4053, 19999), (8571, 9457)]